Five Killed in Crash of Cambodian Military Helicopter

<p>Five Cambodian soldiers were killed Monday when the helicopter they were flying in crashed outside the capital city, Phnom Penh.</p> <p>The helicopter was taking part in a training exercise when the crash occurred.  Cambodian military authorities say one other person was seriously injured in the crash. </p> <p>An investigation is under way to determine the cause of the crash.</p>