A vehicle believed to be Liverpool's team bus has reportedly been blocked and had its tyres let down ahead of the Reds' visit to Manchester United for their rescheduled Premier League fixture.
Jurgen Klopp's side travel to Old Trafford after their May 2 clash was postponed after fans broke into Old Trafford and invaded the pitch before kick-off.
United have bolstered security presence ahead of tonight's fixture, due to kick off at 8.15pm BST, with dozens of security staff and Greater Manchester Police officers seen preparing additional barriers outside Old Trafford.