The Navy did not follow beach closure advisories, exposing Navy SEAL candidates and possibly affecting training, a government watchdog found.

Water contamination has been a long-standing issue in Coronado due in part to pollution from the Tijuana River Valley in Mexico, which flows to area beaches and causes significant closures to the shoreline.

A Navy Seal who led a strenuous workout that sent nine Tufts University lacrosse players to the hospital appears to have lacked the credentials to supervise the group exercise.