Following the talked about Ruff Ryders reunion concert on Friday in Brooklyn (April 21), DMX reportedly cancelled his remaining tour dates due to a medical emergency, TMZ reports.

The cause is unknown, but the "How It's Goin' Down" rapper was scheduled to perform in L.A. on Wednesday night (April 26). The Los Angeles Times adds that the New Yorker shared the same bill as the Ying Yang Twins, Suga Free and Too $hort.

According to Billboard, X's Barclays performance raised concern with fans. The 46-year-old appeared scatter-brained during his time on stage, blazing through his set-list while dropping a few rants in between.

In early 2016, the platinum-selling artist was found unconscious in a Ramada Inn parking lot in Yonkers, New York. He was rushed to a nearby hospital and treated for what his team said was an asthma attack. In this current situation, TMZ adds that those close to X "fear a relapse" to substance abuse.