Officials say US travelers in certain regions of Mexico should continue to shelter in place on Monday, and airlines have canceled and rescheduled flights.

The U.S. Embassy and Consulates in Mexico issued a security alert affecting Puerto Vallarta, Tijuana and more.

Explosions, roadblocks and gunfire have been reported throughout the state, after law enforcement actions on Sunday morning.

Air Transat, Air Canada and WestJet airlines say they plan to resume operations to and from Puerto Vallarta on Tuesday, as the situation stabilizes following violence and unrest due to killing of the leader of a major drug cartel.

Smoke filled the sky above the swanky beach town of Puerto Vallarta, Mexico, as shops and cars were set ablaze by cartel members after the government killed a major drug kingpin Sunday, leaving tourists and residents cowering in fear.

Airlines have temporarily suspended flights to Puerto Vallarta due to a security situation following the death of drug lord 'El Mencho.'

After a Mexican drug lord's killing, a shelter-in-place alert was issued for Puerto Vallarta, a popular destination for residents of Palm Springs.

Puerto Vallarta’s international airport has been temporarily closed following a federal security operation in the state of Jalisco that triggered clashes, vehicle burnings and road blockages across several areas on.