LONGVIEW, Wash. (AP) — A 70-year-old man convicted of multiple child sex offenses died in prison Friday after he was beaten by multiple inmates.

Robert Munger was serving his 43-year prison sentence at Airway Heights Corrections Center in Spokane County when he was attacked. Department of Corrections spokesperson Janelle Guthrie said he died at a medical facility in the area. Guthrie declined to comment further.