Redmond police on Monday arrested the second of two men accused of randomly assaulting a man in downtown Seattle in April.

The two men, 27 and 29, are suspected of knocking a 77-year-old man to the ground near Third Avenue and Pine Street around 9:50 p.m. April 19 in an unprovoked attack, then casually walking away while the victim remained on the ground. The 77-year-old suffered a head injury, broken right arm and broken left knee, and he told police he didn’t know who hit him.

Seattle police officers arrested a 29-year-old Bellevue man that night after a security guard pointed him out, according to King County Superior Court documents, but he was released from the King County Jail two days after the attack.…