A search was underway early Monday after a suspected smuggling boat capsized off Del Mar, killing three people. Early reports indicated nine people were missing from the boat, while four survivors were located.

Crews were searching for survivors. It was not immediately clear how many people were on the boat, a small, open, outboard-powered craft.

At least three people were killed when a small boat capsized Monday morning off the coast of San Diego, officials said. At least nine others were missing as rescue and recovery operations got underway.