A man has been pronounced dead after a "major" emergency service response in a town.
Police received reports of a medical incident at an address in Belmont Street, Bognor at about 7.30pm on Tuesday, May 30.
The man, 45, was pronounced dead at the scene. His next of kin have been informed.
Witnesses said there was a "major" emergency service response.
There were several police cars, a van and an ambulance at the scene as well as officers from Sussex Police's Criminal Investigations Department (CID).
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A spokesman for Sussex Police said: "Officers are investigating the circumstances of the man’s death.
"A 41-year-old man was arrested on suspicion of possessing a class A drug with intent to supply and remains in police custody at this stage."
Secamb has been contacted for comment.
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