The Chief Coroner has called for armed police to be stationed at all gates into Parliament in the wake of the Westminster terror attack.

Security services have foiled an attempt to bring more terror to the heart of Westminster.

A man armed with several knives has been arrested in Whitehall, London, on suspicion of planning a terror attack, Scotland Yard said.

The body of murdered Pc Keith Palmer has begun a final journey through the city he once protected as thousands of police officers lined the route of his funeral cortege.