Tributes have been paid to the Essex police officer who has been shot and killed in a street at Clacton-on-Sea.
PC Ian Dibell died from shotgun wounds. A second, as yet unnamed, man has been seriously injured.
Paul McKeever, chairman of the Police Federation of England and Wales, paid tribute to Pc Dibell, saying: "This is extremely tragic and devastating news. Police Constable Ian Dibell demonstrated remarkable courage and bravery whilst off-duty and has paid the ultimate price.
Mark Smith, chairman of the Essex Police Federation, added: "This is a terrible tragedy and our thoughts and prayers are with Pc Ian Dibell's family, friends and colleagues at this extremely sad time.
"This appalling incident highlights the dangers that police officers face every day."
A major manhunt is currently underway for the gunman who has been named by police as 64 year old Peter Reeve.