A search for a possible drowning victim at the Cumberland River near Liberty Park in Clarksville Tuesday has been called off. The search was initiated around 7:45 a.m. after a woman reported seeing someone in the water waving their arms before going underwater, police said. Montgomery County Emergency Management Services had boats in the water searching. Cadaver dogs and divers were also called to the scene to assist. The search was called off just after 2 p.m. A victim was not found.