Police in a Mexican border city say a drone overloaded with illicit methamphetamine has crashed into a supermarket car park.
Tijuana police spokesman Jorge Morrua says they were alerted after the drone fell on Tuesday night near the San Ysidro crossing at Mexico's border with California.
Six packets of the drug, weighing about 3kg, were taped to the six-propeller remote-controlled aircraft.
Morrua said authorities were investigating where the flight came from and who was controlling it. He said it was not the first time they had seen drones used for smuggling drugs across the border.
Other innovative efforts have included catapults, ultralight aircraft and tunnels.
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In April, authorities in South Carolina found a drone outside the fence of a prison that had been carrying mobile phones, marijuana and tobacco.
