A large number of rescue crews have been deployed, including more than 20 ambulances and six air ambulances

Emergency services rushed to the scene of a collision between two trains north of London on Friday afternoon that killed one person.

A video posted on social media showed a damaged Luton Airport Express train upright on the tracks and people who appeared to be passengers sitting and standing in a field

British police on Friday said emergency services were responding to reports of a collision involving two trains in the Bedford area, north of London.

Public asked to avoid location of incident near city of Bedford