Reported by MMA Fighting.

According to the source, on January 7, the fighter was taken into custody on suspicion of stabbing his sisters. 

“The UFC is aware of a recent incident involving Irwin Rivera that may have occurred due to mental health problems.

Of course, these allegations are of extreme concern, and the organization is currently gathering additional information.

The investigation is ongoing and any possible next steps, including disciplinary action or medical attention, will be determined at a later date.

The UFC also informed Rivera that no fights will be offered to him at this time, ”said the fighter's manager, Ali Abdel-Aziz.

Earlier it was reported that UFC champion Yang will hold his first title defense on March 6.