Prevention Officers noticed a man acting suspiciously in Milton Street, Worthing, on Tuesday afternoon (March 6), police said.
After a search, the 36-year-old man of no fixed address was arrested on suspicion of supplying a class A drug, according to a spokesman.
Officers then went to a flat in Thorn Road, Worthing, on a welfare check and discovered a man and a woman acting suspiciously, the spokesman said.
A 19-year-old man from Northampton was arrested on suspicion of concealing, disguising, converting, transferring or removing criminal property, supplying cocaine and assaulting an officer in the execution of duty, police confirmed.
A 31-year-old woman from Worthing was arrested on suspicion of possession of a class A drug (cocaine) and supplying cocaine, the spokesman said.
All three have been released under investigation.
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