At least 207 people have been killed and about 900 injured after two passenger trains collided in the eastern Indian state of Odisha. The Coromandel Express, which runs from Kolkata to Chennai, collided with another passenger train, the Howrah Superfast Express, railway officials said on Friday. The Howrah Superfast Express derailed and became entangled with the Coromandel Express, South Eastern Railway authorities said in a statement.