Manchester: Jose Mourinho's Manchester United players were accused of sparking an ugly clash in the tunnel in a stormy aftermath to their 3-1 win at Middlesbrough.

United remain in contention for Champions League qualification after a hard-fought victory on Sunday, which ended with rival players separated by security staff in the tunnel when punches were reportedly thrown.

Middlesbrough captain Ben Gibson and United's former England midfielder Ashley Young were restrained by teammates as tempers flared.