Cardi B is well-known for her straight-talking, no-nonsense manner, but one fan bore the brunt of it during her gig in London the other night.

The rapper was headlining the Wireless Festival at London's Hyde Park when, near the end of her set, she approached the crowd barrier and was held in place by security guards.

On a video clip of the incident, one fan appears to grab her or grab at her microphone, which she wrestles from their grasp before smacking them angrily.

However, Cardi B has since taken to social media to deny that a 'fight' broke out and claiming that the whole thing has been blown out of proportion. "It wasn’t NO FIGHT !," she tweeted. "@itsKenBarbie got the whole thing on their page."

Fan footage showed her tussling with an audience member, although it's not particularly clear.

The rapper didn't post anything else in relation to the incident, except this...