AceShowbiz - British singer Ray BLK has accused rapper Ambush Buzzworl of sexual assault.

The star went public with the allegation on Twitter on Sunday, June 21, claiming that Ambush "aggressively" grabbed and shook her breast at a YouTube event in February.

BLK, real name Rita Ekwere, said she confronted Ambush over the alleged incident moments later, to which he replied, "What can I say Ray, they were looking nice."

Admitting her "blood was boiling," she said she avoided reacting "in the manner I wanted to right there" because she felt she could be painted "as an aggressive or crazy black woman."

The star posted screenshots detailing the alleged incident, and also shared a video capture of direct messages and audio notes that she says were sent between the two parties the following day, in which Ambush responded to her allegations with "My bad" and an emoji of a monkey covering its eyes.

BLK responded, " 'My bad' as an apology isn't really good enough."

According to the tweets, Ambush responded with a voice note. "Ray, man, don’t do me like this, man, I'm sorry, I apologise, man. You know me, I'm flirty, I'm just f**king about man, your breast was out… It does violate, I didn't mean to make you feel any sort of way."

However, after BLK said she accepted Ambush’s apology, he sent another voice note, according to the tweets, saying, "You don't need to stick it on me," to which she fired, “What do you mean? Of course I need to stick it on you... at the end of the day, that's sexual assault... I can't even believe you're coming back to me to say I shouldn't stick it on you like that."

Explaining why she waited until now to come forward with the allegations, BLK said she was told she "should be protecting a black man and not damaging his career" by an associate, but insisted, "It is this sort of silencing of people that allows people to continue years of abuse because they have some sort of power."

Ambush has yet to publicly respond to the allegations.