Fourteen police officers have been killed and three more wounded in an ambush in the western Mexican state of Michoacan.
Michoacan's state security department said officers had gone to a home in the town of El Aguaje to carry out a judicial order when "several armed civilians fired on them".
In a matter of minutes, heavily armed men in a number of pick-up trucks began shooting and setting the police vans on fire.
The Jalisco New Generation drug cartel is suspected of being behind the attack.
Large placards reading "CJNG" - the acronym belonging to the Jalisco New Generation cartel - were left on police vehicles.

Hungary's Orban concedes landmark election defeat
Trump vows to blockade Strait of Hormuz after Iran peace talks stumble
Nigerian airstrike hits market, 200 feared dead
Russia, Ukraine trade accusations of ceasefire violations
At least 30 dead in stampede at Haiti’s historic Laferriere Citadel
