Three injured on Delta flight after passenger fights with flight attendant

A Delta flight taking off from Seattle to Beijing on Thursday night made a turn back after a passenger reportedly tried to enter the cockpit, according to two people who spoke with CNN.Three people were injured aboard Delta flight 129, including two passengers and one crew member, the people said. The flight turned back as it was flying over the western coast of Canada.CNN says the aircraft, a twin-aisle Boeing 767-300ER, returned safely to Seattle-Tacoma International Airport around 7:40 PM und