Port Huron Police officers responded to a call at the St. Clair River south of the Blue Water Bridge about 5:30 p.m. yesterday to rescue three Port Huron residents from the river waters.  Reports state that  three individuals were in the river and unable to get back on land.  Port Huron police, Port Huron firefighters, a member of the St. Clair County Dive Team, and a boater on the river assisted in getting the three back onto the boardwalk.  No one was injured in the incident.