Mexican prisoners allegedly forced to wear thongs, scrub floors on all fours

A state government in northern Mexico says it is investigating alleged inmate abuse at one of its prisons.

The scandal surfaced with a video posted on social media sites showing a group of male inmates wearing nothing but thong underwear and being forced to scrub floors on their hands and knees, while apparently being kicked and shoved by other inmates.

1:00 Inmates dead as fire, riot breakout at Mexico prison

The government of Nuevo Leon state says the incident occurred at a prison in Apodaca, suburb of the city of Monterrey.

Get breaking National news

For news impacting Canada and around the world, sign up for breaking news alerts delivered directly to you when they happen.

Sign up for breaking National newsletter Sign Up

By providing your email address, you have read and agree to Global News' Terms and Conditions and Privacy Policy.

It condemned the incident, and in response staged a search of the prison Wednesday that officials say found a number of knife-like objects and drugs.

READ MORE: 52 dead, 12 injured in riot at northern Mexico prison

There have been a number of inmate fights at prisons in Nuevo Leon between members of rival drug gangs.