PORTLAND, Ore. (AP) — Police say an 82-year-old Portland man who was attacked at a bus stop near Portland State University has died. The Oregonian/OregonLive reports police said this week that Donald Pierce died July 7 of blunt force trauma, after he and 88-year-old Edward Lichtenstein were knocked to the ground and beaten around 8:30 p.m. on June 25. Police were responding to an unrelated call nearby when they came across the assault and arrested 29-year-old Keffer White. Before Pierce’s death, prosecutors charged White with two counts of attempted murder and counts of assault. He pleaded not guilty to the charges on July 6. Additional charges are pending. Liechtenstein has been treated and released from the hospital.