Three people were killed, four were injured and seven others are missing after a small boat overturned early Monday in the ocean off San Diego, sheriff’s officials said.

At least three people were killed when a boat overturned near San Diego on Monday as the Coast Coast and sheriff's deputies launched a frantic search for more victims, authorities said.

At least three people have been confirmed dead while nine others remain missing after a small boat capsized off the coast of San Diego early Monday.