According to National Park Service, rangers and dive team members from Delaware Water Gap National Recreation Area and Upper Delaware National Scenic and Recreational River and volunteers from the Milford Fire Department, Milford Ambulance, Port Jervis and Bushkill Dive Teams, and Dingman Township, Sparrowbush, and Huguenot Dive Rescue Teams were engaged in a search for a missing man who was last seen swimming in the Delaware River at Milford Beach on Saturday afternoon around 3:15 pm.