The service is asking ambulance crews to stop and attend a second emergency en route to hospital.
Martin Stokes is said to have links to Ireland, Hertfordshire and London as well as Essex.
The victim was attacked on Sunday in the Kilvert Wharf area.
Among the finds from the 1665 wreck are a leather shoe, a sundial and a brass cannon.
Sophie Hinchliffe is "overwhelmed" by the success of her quirky "stories".
Essex host Worcestershire in County Championship Division One - live BBC local radio commentary
Max Whitlock and Nile Wilson are named in Britain's five-man team for the artistic gymnastics 2018 World Championships.
Clacton, Frinton & Walton Gazette
Harwich and Manningtree Standard
East London & West Essex Guardian Series
About these results
The new deadly drama you need to watch
Sign up for our newsletter