UPDATE OCT. 19:
A 16-year-old boy has been arrested in connection with the death of Tod Barker.
The boy, who was not identified, faces charges of second-degree murder, second-degree assault, first-degree robbery and unlawful use of a weapon.
The investigation into the possibility of additional suspects is ongoing.
ORIGINAL STORY FROM OCT. 15:
GRESHAM Ore. -- A 53-year-old Gresham man died nearly two weeks after he was attacked while walking in downtown Gresham on Sept. 27.
On Tuesday, Gresham police said Tod Alan Barker, 53, was attacked on Northeast Roberts Avenue about a block from East Powell Boulevard, likely by someone he didn't know.
He died at the hospital on Oct. 9 from injuries sustained during the attack, according to the Multnomah County Medical Examiner's Office. His death was ruled a homicide.
Police want to hear from anyone may have seen or heard anything about the attack.
To provide a tip, call the Gresham Police Department's nonemergency line 503-618-2719.