Watch: What we know about the Bedford train crash

A train driver has been killed and 100 people injured following a train crash in Bedford on Friday, according to the police.

Of the injured, 28 people are in hospital, with nine in a critical condition.

The 16:40 train from Corby collided with the 15:50 service from Nottingham.

BBC correspondent Jo Black in Bedford explains what we know about the crash.