Police officers take cover near the scene of a shooting near the Mandalay Bay Resort and Casino on the Las Vegas Strip on Sunday.

Police officers take cover near the scene of a shooting near the Mandalay Bay Resort and Casino on the Las Vegas Strip on Sunday.

Police officers take cover near the scene of a shooting near the Mandalay Bay Resort and Casino on the Las Vegas Strip on Sunday.

Police officers take cover near the scene of a shooting near the Mandalay Bay Resort and Casino on the Las Vegas Strip on Sunday.