Essex Police hunting an armed gunman say the force has received "many phone calls" from members of the public and officers are confident of catching the gunman.
A spokeswoman refused to comment on the identity of the victims, saying the operation was focusing on the gunman at this stage.
Detectives trying to reconstruct the last moments of a gunman who killed an Essex police officer have issued an appeal for information.
A special church service has been held in Clacton today- to help people in the community affected by the murder of PC Ian Dibell.
People living in Clacton-on-Sea have been paying tribute to PC Ian Dibell