Police are seeking witnesses to a “swarming” incident that left a 14-year-old boy with serious injuries.

At 11 p.m. Friday police responded to a call about a boy being attacked by eight to 10 teenagers in Bickford Park, in the Christie Street and Bloor Street West area.

The boy did not know his attackers.

Anyone with information is asked to contact police at 416-808-1400 or Crime Stoppers anonymously at 416-222-TIPS (8477).