The incident took place after a woman in the crowd appeared to splash a drink on the star as she was performing her hit Bodak Yellow on stage at Drai's Beachclub.

Clips showing Cardi B throwing a mic - also shared by the rapper herself - went viral on social media at the end of July.

The Las Vegas Metropolitan Police Department said a woman reported a battery case to the force the day after the concert.

However, the force has now issued a statement saying no charges will be filed.

"After a thorough review of this case and with the consultation from the Clark County district attorney's office, this case has been closed as having insufficient evidence," the statement read.

Several high-profile artists have been hit by objects while performing on stage in recent months.

Read more:
Adele warns fans about throwing items on stage

In June, Bebe Rexha shared pictures of her black eye after she was hit by a mobile phone, and footage of a fan throwing their mother's ashes at Pink in London quickly went viral.

In another incident, country singer Kelsea Ballerini had to stop mid-performance after a concertgoer threw an unknown object at her face.

Harry Styles has also been hit by flying objects at his gigs, including Skittles - which hit him in the eye and led to the sweets brand making a public plea on social media.