Larry Nassar, the disgraced former sports doctor who was convicted of sexually abusing female gymnasts, was stabbed during an altercation with another inmate at a Florida federal prison, according to sources familiar with the matter.

The attack occurred Sunday at United States Penitentiary Coleman in Sumterville, and Nassar was in stable condition, sources told Fox News. The Associated Press first reported about the incident.

One person told the Associated Press that Nassar had been stabbed in the back and the chest.

Disgraced sports doctor Larry Nassar, who was convicted of sexually abusing Olympic and college female gymnasts, was stabbed multiple times during an altercation with another inmate at a federal prison in Florida.

Two people familiar with the matter told The Associated Press the attack happened Sunday at United States Penitentiary Coleman. The people said he was in stable condition Monday.

Larry Nassar, the disgraced doctor of USA Gymnastics who was convicted of sexually abusing young female gymnasts, has been stabbed multiple times by another inmate in prison and was in stable condition on Monday, U.S. media reported.

The Federal Bureau of Prisons confirmed that an inmate at the U.S. Penitentiary Coleman in Florida was assaulted on Sunday afternoon, but declined to identify the prisoner over privacy and security concerns.