Moussa Sissoko: "There is a sense of injustice in the team because of what happened.
"If they were good goals, then it is a bit unfair.
"Obviously, it is a shame we could not score to make up for it, but looking on the bright side, we created a lot of chances to score, made a lot of opportunities for ourselves and while, certainly, we are disappointed, there is one match to go and we will go out there and make sure we score in that one.
"It is not good for us that the goals were wrongly disallowed, but in sport, referees can make mistakes. It does happen and we cannot allow it to affect us too much.
"The positive thing is that it has not cost us the tie. We just have to do what we have to do when we get another chance next week.
"I think we have shown that we can score at any time in the matches since I have been here.
"Unfortunately, (on Thursday) we couldn't - we just did not have the luck on our side.
"Sometimes they fall for you, sometimes they don't. But there is confidence in this side. We know what we are capable of. Next week in the second leg, we just have to make sure that we do score.
"Cisse is a very good striker.
"He gets in such good positions that he gets a lot of chances in a match. It was not his night (on Thursday). He just could not score - or at least he could not score a goal that was allowed!
"But all his team-mates have a lot of confidence in him. We know that given the opportunities, he will score many goals for Newcastle.
"We know exactly what he can do and what his strengths are. I am sure that between now and the end of the season, he will find the net many times. Hopefully, the goals will start to flow next week in Ukraine."