The Black Cats have outlined their plans to put additional measures in place on Saturday, after disruption at the Stadium of Light in last month’s 1-1 draw.
That’s after a pyrotechnic landed in Sunderland’s family section, which saw Blues follower Samuel Parrott charged with throwing a missile at a designated sporting event.
On top of that, a spokesperson for the Blues’ rivals for a place in the Championship revealed coins were thrown from the away section.
As a result, Pompey’s allocation for the game is 2,000 tickets after they acted on advice from their safety advisory group - compared to the 3,222 sold last month.
A Sunderland spokesperson said: ‘At the previous fixture on Saturday 27 April there were numerous incidents of disorder, both during and after the match.
‘In addition to the smoke bomb thrown from the away section into the home end, a number of coins were also thrown from the away section.
‘Ensuring that the Stadium of Light is a safe environment for all supporters is paramount.
‘With this in mind, there will be additional security measures in place for Saturday’s game.’