Gary Lineker has explained where 'sex noises' came from during the Liverpool v Wolves match.

Football fans rushed to social media after they overheard the noises during the build-up to the FA Cup game on Tuesday evening.

In a Twitter post after the game began, Lineker explained the origin of the noises with a snap of a taped up mobile phone.

The presenter said: "Well, we found this taped to the back of the set. As sabotage goes it was quite amusing."

Gary Lineker blames BBC One 'sex noises' on sabotage

As the noises began,  the commentator was seen smirking between laughs, said: "It's toasty in the studio.

"It's a bit naughty as well.

"I think it's someone's setting something off on someone's phone."

Viewers were quick on social media to call out the mishap, one person wrote: "BBC ONE Sex Noise, who's getting the sack?"

A second person chimed in :"naaaaaa who’s trolling bbc by blasting that sex noise at the liverpool wolves game hahahahaha i’m howling."

A third user added: "What is going on!? First the sex noises on BBC One and then the lights out What a bizarre start to a football game…"

Another user wrote: "Until you commented on it, the entire country would have been having rather tense household discussions about why this noise was coming from their own TV. Everyone can relax now."