CAÑON CITY — An inmate died after being assaulted by a fellow inmate at the Colorado State Penitentiary, prisons officials said Saturday.

Glen Young, 35, was seen assaulting Gerado Banda, 23, at the prison near Cañon City on Wednesday in an attack that lasted about 15 seconds, the Colorado Department of Corrections said. Banda was taken to the hospital in Canon City and later moved to a hospital in Colorado Springs before dying on Thursday, the department said.

The correction department’s Office of the Inspector General is investigating the incident and will work with local prosecutors on any potential criminal charges, it said.

The Associated Press is an independent, not-for-profit news cooperative, serving member newspapers and broadcasters in the U.S., and other customers around the world. The Colorado Sun is proud to be one of them. AP journalists in more...