Three people aboard a Delta Air Lines flight leaving Seattle for China on Thursday night were injured in a “security incident” that forced the pilot to return to the airport.
CNN reports a passenger attacked a flight attendant in the first class cabin, and several passengers stepped in to subdue the attacker. The flight returned safely to Seattle-Tacoma International Airport around 7:40 p.m. local time and the unruly passenger was removed from the flight. The FBI told CNN the incident was not a…