American tourists trapped in Puerto Vallarta after cartel leader "El Mencho" reportedly killed, sparking violent retaliation with burning cars and chaos.

Some Chicago area residents currently in Puerto Vallarta recounted hearing explosions and saw thick black smoke billowing from cars and businesses throughout the city.

Amid violence, people in Puerto Vallarta have been told to keep a low profile, follow the advice of local authorities, and monitor local and international media to stay informed.

The U.S. State Department sent a warning to travelers on social media, advising those already in Puerto Vallarta or Guadalajara to shelter in place because of the ongoing violence.

The U.S. Embassy in Mexico issued a security alert advising Americans in Jalisco, including Puerto Vallarta, to shelter in place due to security operations following the reported killing of a cartel leader.

Airlines canceled flights to parts of Mexico after the drug lord "El Mencho" was reportedly killed by the Mexican government, leading to violent clashes.

U.S. citizens in Mexico are being advised to shelter in place after a cartel leader was killed, setting off violence in several regions.

Videos show cars on fire and roadblocks amid cartel violence in Puerto Vallarta.

Air Canada (TSX:AC) said on Sunday it had temporarily halted operations in Mexico’s Puerto Vallarta, citing an ongoing security situation.