The warning includes reports that gas stations, banks and other buildings have been set on fire in the states of Jalisco and Colima. Municipal police in Puerto Vallarta are asking residents and visitors to remain in their homes and hotels.
The Canadian Embassy in Mexico said in a bulletin that "narco-blockades" have been erected in some areas. It advises Canadian citizens to avoid all large gatherings and demonstrations.
The Associated Press says the increasingly powerful Mexican drug cartel known as Jalisco New Generation has been showing off its muscles in a spasm of violence that killed seven people and forced down a military helicopter in western Mexico.
According to the Jalisco state prosecutors office, on April 6 at least 15 state police officers were killed and five others wounded in the single deadliest gang-related attack on Mexican police in recent memory.
The Canadian government is advising its citizens in Mexico to get in touch with their emergency contacts in Canada in order to confirm their whereabouts and wellbeing whether or not they have not been affected by these events.
Emergency consular assistance in Mexico is available at:- Embassy of Canada in Mexico Tel: (55) 5724-7900 ext. 379-3322
- Consulate of Canada in Guadalajara (33) 3671-4740 ext. 374-3340
- Consular Agency of Canada in Puerto Vallarta Tel: (322) 293-0098 & 293-0099 After hours: 01-800-706-2900 (toll free) or 00-1-800-514-0129, +1-613-996-8885 (collect where available)
Canadian government travel advice can be found at travel.gc.ca.
MAP: Puerto Vallarta -Guadalajara, Mexico