... an alleged missile throwing incident, less than a week after Newcastle defender Fabricio Coloccini was hit by a coin at Selhurst Park.
Referee Rob Madley mentioned in his match report that an object was thrown from the Holmesdale Road Stand during the 2-1 defeat against Liverpool in the FA Cup fifth round on Saturday.
It also happened when Wayne Rooney was hit by an object earlier in the season.
It is understood that the FA are extremely concerned about the incidents and they will work with Palace and the relevant authorities to identify individuals and punish those responsible.
Eyewitnesses said they saw an object land on the pitch before Liverpool defender Martin Skrtel handed it to Madley and he gave it to fourth official Mike Jones who discarded of it.
Palace were already helping the FA following an incident where an object was thrown from the crowd an struck Newcastle defender Coloccini above the eye. The incident sparked an angry reaction from the Newcastle bench during the game last Wednesday.
The Argentinian was hit by what appeared to be a coin as the Newcastle players celebrated Papiss Cisse taking the lead during the 1-1 draw and Palace are currently trying to track the person responsible using CCTV footage.
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MANCHESTER CITY v NEWCASTLE UNITED
Saturday February 21
15:00 Aston Villa v Stoke City
15:00 Chelsea v Burnley
15:00 Crystal Palace v Arsenal
15:00 Hull City v QPR
15:00 Sunderland v W Brom
15:00 Swansea City v Man Utd
17:30 Manchester City v Newcastle United
Sunday February 22
12:00 Tottenham v West Ham United
14:05 Everton v Leicester City
16:15 Southampton v Liverpool
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Newcastle Utd Fixtures ...
2014/15 SEASON
Sunday August 17
NEWCASTLE 0 MAN CITY 2
Krul, Janmaat, Williamson, Coloccini, Dummett, Colback, Anita (63' Obertan), Cabella, Sissoko, Gouffran (74' Aarons), Riviere (83' Perez).
Subs: Haidara, Elliot, S Taylor, Abeid
Saturday August 23
ASTON VILLA 0 NEWCASTLE 0
Krul, Janmaat, Williamson, Coloccini, Dummett, Anita (70' de Jong), Colback, Cabella, Sissoko, Gouffran, Riviere (77' Perez - 90+2' S Taylor).
Subs: Haidara, Elliot, Obertan, Abeid
Tuesday August 26
LC GILLINGHAM 0 NEWCASTLE 1 (Egan OG)
Krul, Janmaat, Coloccini, S Taylor, Haidara, Sissoko, Abeid, Obertan, de Jong (68' Perez), Aarons (60' Cabella), Riviere (86' Gouffran)
Subs: Anita, Ferreyra, Elliot, Dummett
Saturday August 30
NEWCASTLE 3 CRYSTAL PALACE 3 (Janmaat, Aarons, Williamson)
Krul, Janmaat (79' Perez), Williamson, Coloccini, Haidara, Sissoko, Colback, Cabella, de Jong (79' Anita), Gouffran (67' Aarons), Riviere
Subs: Elliot, Obertan, S Taylor, Dummett
Saturday September 13
SOUTHAMPTON 4 NEWCASTLE 0
Krul, Janmaat, Williamson, Coloccini, Haidara, Anita (45' Tiote), Colback, Cabella (69' Perez), Sissoko (90'Ameobi), Gouffran, Riviere
Subs: Elliot, Obertan, S Taylor, Armstrong
Saturday September 20
NEWCASTLE 2 HULL CITY (Cisse 2)
Krul, Janmaat, Williamson, Coloccini, Dummett, Tiote (85' Ameobi), Colback, Sissoko, Cabella, Gouffran (90+4' Perez), Riviere (69' Cisse)
Subs: Anita, Haidara, Elliot, S Taylor
Wednesday September 24
LC CRYSTAL PALACE 2 NEWCASTLE 3 AET (Riviere 2, Dummett)
Elliot, Janmaat (46 Haidara), Coloccini, S Taylor, Dummett, Colback, Abeid, Obertan, Armstrong, Ameobi (66 Sissoko), Riviere (80 Perez)
Subs: Anita, Ferreyra, Cabella, Alnwick
Monday September 29
STOKE CITY 1 NEWCASTLE 0
Krul, Janmaat, Williamson, Coloccini, Dummett, Tiote, Colback, Sissoko, Cabella (74' Ameobi), Gouffran (68' Obertan), Riviere (45' Cisse)
Subs: Anita, Elliot, S Taylor, Armstrong
Saturday October 4
SWANSEA CITY 2 NEWCASTLE 2 (Cisse 2)
Krul, Janmaat, Williamson, Coloccini, Dummett, Obertan, Tiote, Sissoko, Colback (69' Riviere), Gouffran (58' Ameobi), Cisse (85' Perez).
Subs: Anita, Haidara, Cabella, Elliot
Saturday October 18
NEWCASTLE 1 LEICESTER CITY 0 (Obertan)
Krul, Janmaat, S Taylor, Coloccini, Dummett (72' Haidara), Tiote, Anita (59' Perez), Colback, Obertan, Sissoko, Gouffran (90+2' Cabella), Cisse
Subs: Elliot, Abeid, Armstrong
Saturday October 26
TOTTENHAM 1 NEWCASTLE 2 (Ameobi, Perez)
Krul, Janmaat, S Taylor, Coloccini, Dummett, Anita (45' Cabella), Colback, Obertan (45' Ameobi), Sissoko, Gouffran, Perez (79' Haidara)
Subs: R Taylor, Ferreyra, Elliot, Armstrong
Wednesday October 29
LC MAN CITY 0 NEWCASTLE 2 (Aarons, Sissoko)
Elliot, Janmaat (64' Sissoko), Coloccini, Dummett, Haidara, Colback, R Taylor, Abeid, Obertan, Armstrong (65' Riviere), Aarons (46' Ameobi)
Subs: Krul, Gouffran, Perez, Cabella
Saturday November 1
NEWCASTLE 1 LIVERPOOL 0 (Perez)
Elliot, Krul, Janmaat, S Taylor, Coloccini, Dummett, Abeid, Colback, Obertan (27' Aarons), Sissoko), Ameobi (66' Cabella), Cisse (45' Perez)
Subs: R Taylor, Gouffran, Haidara, Elliot
Sunday November 9
WEST BROM 0 NEWCASTLE 2 (Perez, Coloccini)
Krul, Janmaat, Coloccini (78' Williamson), Dummett, Haidara, Abeid, Colback, Cabella (82' R Taylor), Sissoko, Ameobi (78' Gouffran), Perez
Subs: Anita, Cisse, Elliot, Armstrong
Saturday November 22
NEWCASTLE 1 QPR 0 (sissoko)
Krul, Janmaat, Williamson, Dummett, Haidara, R Taylor (34' Gouffran), Colback, Cabella (68' Cisse), Sissoko, Ameobi, Perez (89' Armstrong)
Subs: Anita, Ferreyra, Elliot, Streete
Saturday November 29
WEST HAM 1 NEWCASTLE 0
Elliot, Janmaat (74' S Taylor), Williamson, Dummett, Haidara, Tiote (63' Cabella), Colback, Gouffran (63' Cisse), Sissoko, Ameobi, Perez
Subs: Anita, Riviere, Alnwick, Armstrong
Tuesday December 2
BURNLEY 1 NEWCASTLE 1 (Cisse)
Elliot, Janmaat, Williamson (45' S Taylor), Dummett, Haidara, Abeid, Tiote, Gouffran, Perez (45' Cabella), Ameobi (75' Riviere), Cisse
Subs: Anita, Alnwick, Armstrong, Streete
Saturday December 6
NEWCASTLE 2 CHELSEA 1 (Cisse 2)
Elliot (45' Alnwick), Janmaat, S Taylor, Coloccini, Dummett, Tiote, Colback, Cabella (53' Cisse), Sissoko, Ameobi (83' Williamson), Perez
Subs: Anita, Gouffran, Haidara, Riviere
Saturday December 13
ARSENAL 4 NEWCASTLE 1 (Perez)
Alnwick, Janmaat, Williamson, Coloccini, Dummett, Tiote, Colback, Perez (82' Armstrong), Ameobi (56' Cabella), Gouffran, Cisse (56' Riviere)
Subs: Anita, Haidara, Vuckic, Woodman
Wednesday December 17
LC TOTTENHAM 4 NEWCASTLE 0
Alnwick, Coloccini, Williamson, Haidara, Dummett, Colback, Cabella (80' Vuckic), Gouffran, Perez, Sissoko (73' Anita), Riviere (60' Armstrong)
Subs: Streete, Satka, Woodman, Roberts
Sunday December 21
NEWCASTLE 0 SUNDERLAND 1
Alnwick, Janmaat, S Taylor, Coloccini, Dummett, Tiote (75' Cisse), Colback, Gouffran (59' Armstrong), Sissoko, Ameobi (89' Cabella), Perez
Subs: Williamson, Haidara, Riviere, Woodman
Friday December 26
MANCHESTER UNITED 3 NEWCASTLE 1 (Cisse pen)
Alnwick, Janmaat, S Taylor, Coloccini, Dummett (63' Cabella), Anita, Colback, Gouffran, Sissoko, Armstrong (63' Cisse), Perez (82' Vuckic)
Subs: Williamson, Riviere, Satka, Woodman
Sunday December 28
NEWCASTLE 3 EVERTON 2 (Cisse, Perez, Colback)
Alnwick, Janmaat, Williamson, Coloccini, Dummett, Tiote, Colback, Sissoko, Perez, Gouffran (90+1' Cabella), Cisse (73' Riviere)
Subs: Santon, Anita, S Taylor, Armstrong, Woodman
Thursday January 1 2015
NEWCASTLE 3 BURNLEY 3 (S Taylor, Sissoko, Colback)
Alnwick, Janmaat, Coloccini, S Taylor (Williamson 61), Dummett, Sissoko, Colback Tiote, Gouffran (Haidara 71), Perez, Riviere (Armstrong 57)
Subs: Santon, Anita, Satka, Woodman
Saturday January 3 2015
FAC LEICESTER CITY 1 NEWCASTLE 0
Alnwick, Santon, Williamson, Dummett, Haidara, Tiote, Anita, Vuckic (79' Roberts), Armstrong, Riviere, Cabella
Subs: Gouffran, Campbell, Satka, Bigirimana, Woodman, Gilliead
Saturday January 10 2015
CHELSEA 2 NEWCASTLE 0
Krul, Janmaat, Williamson, Coloccini, Dummett, Anita, Colback, Cabella, Sissoko (84' Riviere), Gouffran (63' Ameobi), Perez
Subs: Santon, Haidara, Vuckic, Satka, Woodman
Saturday January 17 2015
NEWCASTLE 1 SOUTHAMPTON 2 (Gouffran)
Krul, Janmaat, Coloccini, Dummett (80' Williamson), Haidara, Anita (68' Ameobi), Colback, Cabella, Sissoko, Gouffran (68' Riviere), Perez
Subs: Santon, Abeid, Armstrong, Woodman
Saturday January 31 2015
HULL CITY 0 NEWCASTLE 3 (Cabella, Ameobi, Gouffran)
Krul, Janmaat, Williamson, Coloccini, Haidara, Anita, Colback, Cabella (72' Gouffran), Sissoko, Ameobi (90+2' Abeid), Perez (82' Cisse)
Subs: Santon, Obertan, Riviere, Alnwick
Sunday February 8 2015
NEWCASTLE 1 STOKE CITY 1 (Colback)
Krul, Janmaat, Williamson, Coloccini, Haidara, Anita (65' Cisse), Colback, Cabella (69' Obertan), Sissoko, Ameobi (86' Abeid), Perez
Subs: Gouffran, Riviere, Dummett, Woodman
Wedbesday February 11 2015
CRYSTAL PALACE 1 NEWCASTLE 1 (Cisse)
Krul, Janmaat, Williamson, Coloccini, Haidara, Sissoko, Colback, Perez (90+1' Riviere), Cabella (86' Dummett), Gouffran, Cisse (78' Abeid)
Subs: R Taylor, Anita, Obertan, Woodman
Saturday February 21 2015
Manchester City v Newcastle United
Saturday February 28 2015
Newcastle United v Aston Villa
Wednesday March 4 2015
Newcastle United v Man Utd
Saturday March 14 2015
Everton v Newcastle United
Saturday March 21 2015
Newcastle United v Arsenal
Saturday April 4 2015
Sunderland v Newcastle United
Saturday April 11 2015
Liverpool v Newcastle United
Saturday April 18 2015
Newcastle United v Tottenham
Saturday April 25 2015
Newcastle United v Swansea City
Saturday May 2 2015
Leicester City v Newcastle United
Saturday May 9 2015
Newcastle United v West Brom
Saturday May 16 2015
QPR v Newcastle United
Sunday May 24 2015
Newcastle United v West Ham United