BLACKBURN ROVERS' Championship rivals Charlton Athletic are investigating footage that appears to show a couple having sex on the club's pitch.

The video, that has been shared widely online, shows footage of a man and a woman on the centre spot of a football pitch.

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The description on the video claims the incident took place at The Valley, with the pair having broken into the ground at night.

A Charlton spokesperson told Press Association Sport the club knew nothing of the incident, adding: "There will be a club investigation."

Blackburn Rovers travel to The Valley on Saturday, March 14.