United Airlines flight 175

A second airliner crashed into World Trade Center about 18 minutes after the first - this time into the south tower. United Airlines 175, left Boston's Logan airport at 07:58 and was en route to Los Angeles with 65 people on board when it was hijacked. It hit the south tower of the world trade center at 09:03.

Flight details Passenger Peter Hanson called his parents in Easton, Connecticut, and described how hijackers armed with knives had taken over the plane and stabbed one of the cabin crew. An unamed woman flight attendant called an emergency number from a phone at the back of the aircraft. She described how her colleagues had been stabbed.

Hijackers The FBI named the supected hijackers on this flight as Marwan Al-Shehhi, Fayez Ahmed, Mohald Alshehri, Hamza Alghamdi and Ahmed Alghamdi.