ESSEX Police have stepped up patrols and increased visibility across the county after a terrorist incident at Westminster claimed four lives yesterday.

Speaking yesterday, acting assistant chief constable of Essex Police, Andy Prophet, said extra armed officers and "specialist resources" would be patrolling until further notice.

He also urged people to be alert but not alarmed.

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

"This has been declared a terrorist incident in London and is being investigated by the Metropolitan Police Counter Terrorism Command.

"In Essex tonight, and until further notice, there will be increased visible police patrol including additional armed officers and other specialist resources.

"I urge the public to be alert but not alarmed. Police forces and our partners are doing everything we can to help protect the security of our citizens, public institutions, critical national infrastructure, and businesses and places.

"This is a time for communities in Essex to remain resilient, compassionate and supportive of each other. Should anyone have any concerns or see anything suspicious I would urge them to report it immediately by calling 101 or 999 in an emergency."