May 27 (UPI) -- Sean "Diddy" Combs beat his former girlfriend, Cassie Ventura, for having a relationship with another rapper, whom he threatened to kill, former assistant Capricorn Clark testified on Tuesday.

Clark told the court she witnessed Combs beating Ventura, and he told her he wanted to kill Scott Mescudi, also known as "Kid Cudi," NBC News reported.

Combs, 55, allegedly armed himself with a firearm and rushed to Mescudi's Los Angeles home upon learning of the relationship between the rival rapper and Combs' ex-girlfriend Ventura, Clark testified, USA Today reported.

"I've never seen anything like this before," Clark said while telling the court that Combs was in a rage and tried to break into Mescudi's home.

Related