Celtic will take more time before making a decision on the future of trialist Erlend Hanstveit. The 27 year old Brann Bergen defender is currently in the middle of a week-long stay in Scotland, during which he is hoping to earn a permanent deal with the Bhoys.

"We've had two days with Erlend," Strachan said.

"It's been a month since he played, which is a long time, so we'd like to keep him here a bit longer and have a look.

"He'll come with us to the match at Easter Road and see what it feels like to go to a game with the group. He's mingled well with the lads and there are things we like there. But we have to investigate it a bit more.

"Would we like to extend it beyond the week? If we could, but the problem we have is that there are games to play.

"We were able to do more intensive things in training this week because we didn't have a game. But we have Villarreal in midweek, so we won't have the scope to test Erlend as much as we'd like."