THE flag at Clacton police station is flying at half mast today as a mark of respect to the officer killed in yesterday's Westminster terror attack.

PC Keith Palmer was killed outside the Houses of Parliament before armed officer shot the attacker dead.

Essex Acting Assistant Chief Constable Andy Prophet said: "On behalf of Essex Police I want to offer the thoughts and prayers of the entire force to members of the public killed, injured or affected by the incident in London.

"We of course also join our colleagues in the Metropolitan Police Service in grief for the loss of a serving officer."