Deadly Seattle shooting: Arrested suspect is just 15 years old; cops say there were 2 other suspects — 1 killed, 1 unknown

In an update to the Seattle shooting that took three lives Sunday evening, it turns out the initially arrested suspect is just 15 years old — and police now are saying there were two other suspects: one who died at the scene and was an acquaintance of the teenage arrestee, and another unknown suspect, the Associated Press reported."Based on the evidence at…