A family was trapped under the rubble, according to the mayor of Huixquilucan.
Francis spoke against the drug trade in the country.
The Mass is to take place in an outdoor field with an estimated capacity of 400,000.
That municipality in the State of Mexico presents high levels of criminal activity.
Fireworks during a carnival in the town of Visitación ignited a deposit of fiberglass.
Ecatepec, in the State of Mexico, is the most polluted.
They were arrested after they received a payment for US$9,780.
Iztapalapa and Tlalpan will be the most affected districts: 54 and 63 neighborhoods respectively will not have water service.
Members of gangs such as Los Rojos and Guerreros Unidos ask inhabitants to pay “extortion fees”, all the way from street vendors to businesses owners and even the local government.
Government officials in the State of Mexico said 10,000 state police officers will be assigned to keep the peace at a 5.5.-mile (8.8 kilometer) motorcade and rally on Feb. 14.