Larry Nassar has been attacked by inmates at the high-security Arizona prison where he is currently serving life in prison for molesting athletes and possessing child porn, according his lawyer.

The disgraced former US Olympic gymnastics team doctor was allegedly assaulted back in May soon after he was released into the general population of prisoners at the United States Penitentiary in Tucson.

The alleged assault, in which Nassar, 54, sustained some injuries, was briefly mentioned in court documents filed on Tuesday by his public defender, Jacqueline McCann.

He was jailed there back in February.

Larry Nassar, 54, was allegedly assaulted by fellow inmates at the federal prison in Tuscon, Arizona in May after being released into general population

The legal motions do not specify the nature of the assault.

His attorney is asking that he be re-sentenced by a different judge in the first of the major molestation cases he faced.

In the motion, first reported by The Detroit News, Nassar's attorney accused Ingham County Judge Rosemarie Aquilina of deciding to impose the maximum sentence allowed before the hearing even began.

McCann wrote that by allowing 150 of Nassar's victims to give testimony, Judge Aquilina gave them the opportunity to 'devolve into a free-for-all' to criticize him and wish him physical harm.

The motion is asking that he be re-sentenced by a different judge in the first of the major molestation cases he faced. It accused Judge Rosemarie Aquilina (above) of encouraging 'this type of behavior' after she allowed his 150 victims to speak openly in court

The former US Olympic gymnastics doctor was allegedly assaulted in May soon after he was released into the general population of prisoners at the United States Penitentiary in Tucson

'The judge herself openly lamented that she could not impose cruel and unusual punishment upon the defendant, indicated her expectation that he would be harmed in prison, without condemning it, and finally proclaimed, with apparent relish, that she was signing his 'death warrant,' McCann wrote.

'Unfortunately, Judge Aquilina's comments and conducting of the sentencing proceeding appeared to encourage this type of behavior.'

Nassar is serving a 60-year federal sentence at the Arizona prison for possessing child pornography. He was also sentenced to up to 175 years in state prison for molesting young athletes. He agreed to a 25 to 40-year minimum term.

The prison where he currently is housed is the country's only federal facility that is classified as high security and also has a sex offender management program.