A London man and a man and a woman from Tecumseh face multiple counts of assault after what the Ontario Provincial Police call "a disturbance" in Lakeshore.
Police were called to Lakeview Park West Beach around 9:45 p.m. on Sunday to investigate reports of an assault.
They said several people were involved, but no one was hurt.
A 43-year-old Tecumseh man faces five counts of assault, while a 35-year-old woman from Tecumseh faces four assault charges. The 35-year-old man from London was also charged with two counts of assault.
All three suspects were released from custody and will appear before a judge at the Ontario Court of Justice in Windsor.
Meanwhile, the OPP said anyone with information about the incident could call 1-888-310-1122, Crime Stoppers at 1-800-222-8477, or leave their tip online at www.catchcrooks.com.
