Police have been given six more days to question the man suspected of murdering Sir David Amess in a terrorist attack.
The 25-year-old man is being detained for questioning at a London police station under section 41 of the Terrorism Act 2000.
He was arrested at the scene of the attack on the MP, who was fatally stabbed while meeting his constituents during a surgery at Belfairs Methodist Church in Leigh-on-Sea, Essex.