Tragic drowning in Bay Area lake during oar retrieval attempt.

A man drowned in Lake Del Valle in Del Valle Regional Park in Livermore, California, while attempting to retrieve an oar that had fallen from his family's boat. Despite rescue divers searching for him, his body was not recovered until after nightfall. First responders are warning about water dangers this Memorial Day weekend, particularly in California's rivers, which are running fast and cold due to the melting Sierra snowpack. They recommend always wearing a life jacket and only swimming in designated places with a lifeguard present.