Watch astonishing FA Cup ghost goal as linesman appears to fall victim to ‘surreal’ optical illusion [Video]

PETERBOROUGH United were left miffed when they were denied a clear goal in their game against Newport County.

The Posh travelled to South Wales to face off against the League Two side.

Peterborough were denied a clear when the ball went in at the near post from a corner

The officials had a bizarre theory as to why it wasn’t a goal despite the ball nestling in the back of the net

After consulting his linesman, ref Stephen Martin ruled out the goal

At 2-1 down, they were awarded a corner which was swung in by Jack Sparkes.

The ball appeared to loop all the way into the net, although some Peterborough players did not celebrate.

However, some seemed to think it was in – and ran to the corner flag to congratulate Sparkes.

But referee Stephen Martin wasn’t convinced and consulted his linesman.

Incredibly, the officials deemed that the ball was headed out of play before …