Williams flew to Switzerland to speak with a candidate on the club's shortlist, but the Rovers chief has refused to confirm whether the man in question is currently managing one of the countries taking part in the tournament, or working as a pundit in the media.
Allardyce Set To Be Struck Off The List?
Williams: "I did go to see someone at the European Championships yesterday, but unfortunately I wasn't able to stay for the Italy-France game because I had to get back and carry on with the process."
Sam Allardyce has been formally interviewed for the post, so too former England boss Steve McClaren and MK Dons manager Paul Ince.
But the trip to Euro 2008 must put a question mark on all three as Blackburn are still not convinced, and are still looking.