A police force apologises over a fatal crash after which an American diplomat fled the country.

Northamptonshire Police have apologised for failings in their response to the fatal crash that sparked a diplomatic row – including the actions of their disgraced chief constable

Police failed to arrest an American spy after she killed motorcyclist Harry Dunn, 19, in a head-on collision because they prioritised her welfare over a 'prompt' investigation', a…