New Bedford Police made arrests following an incident the morning of Friday, Aug. 3 at the waterfront.
The incident involved a dispute over narcotics among individuals known to each other.
At one point during the incident, one of the people involved, who was legally licensed to carry a firearm, pulled a weapon while another of the participants jumped in the water.
Police subsequently arrested:
Cesar Humberto Soares, 45, of 252 Flag Swamp Road, Dartmouth, was charged with assault with a dangerous weapon.
Cesar Soares, 22, of 314 Tinkham St. Apt. 2, New Bedford, was charged with possession of heroin, possession of heroin with intent to distribute and on a warrant.
Police will release the identities of others arrested once the investigation is complete.