Police are believed to have extended their murder investigation into the death of a homeless man in Chelmsford to the parks in Roxwell Road.
Areas cordoned off by officers last night include parts of Admirals Park and West Park. Teams remain on site this morning.
A makeshift tent is currently under examination and is believed to be of significance.
Forensics officers have also established a base at Central Park, which also remains partially closed to the public.
Essex Police has also confirmed they have been granted extra time to quiz a man arrested in connection with the death of Colin Evans.
