Travellers from Canada who are currently vacationing in Mexico are being ordered to "shelter in place" due to a serious safety and security issue.On Sunday, the Government of Canada updated its travel advisory, warning travellers about violence and roadblocks in southwestern Mexico.According to the statement, criminal groups have created roadblocks using burning vehicles in Jalisco State, including Puerto Vallarta, Guerrero State, including Acapulco, and Michoacan State."There have been shootouts with security forces and explosions. There are significant disruptions to travel and transportation, including flight delays and cancellations," reads the advisory. "A shelter-in-place order is in effect in Puerto Vallarta. All taxi and rideshare services are suspended until further notice."Canadians in affected areas are urged to keep a low profile and to stay up-to-date on the situation by monitoring local and international media. Also, make sure to follow local...