Seattle tour bus crash

At least four people were killed and several critically injured Thursday when a school bus transporting foreign exchange students collided with a tour vehicle in the US West Coast city of Seattle, officials said.

Images of the fiery accident showed extensive damage to the left side of the bus, part of which was completely sheared off by the force of the crash.

Melissa Mixon, spokeswoman for North Seattle College, told AFP that 45 foreign exchange students and staff with the school's international program were on board the bus. (AFP)

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