On 22 May 2024, at 20:08 CST (UTC−6),[1] a stage collapsed during a campaign rally for mayoral candidate Lorenia Canavati of the Citizens' Movement in San Pedro Garza García in the northeastern Mexican state of Nuevo León, killing 10 people and injuring 213 others.

[1] On 22 May 2024 at 18:28 CST, the National Meteorological Service (SMN) issued a warning from 18:00 to 21:00 for heavy rainfall, strong winds of up to 70 kph (40 mph) and tornadoes across northern Mexico, including in Nuevo León.

[19] Several members of the municipal police, civil protection, National Guard, and the Mexican Army, who were present to provide security for the candidates and attendees due to the wave of violence affecting the region, began rescue operations, first aid, and the transport of the injured to various hospitals.

[22] Governor Samuel García released a video on his social media platforms urging citizens to take shelter due to the strong winds.

[25] Miguel Treviño de Hoyos [es], the mayor of San Pedro Garza García, established a special hotline for citizens to obtain information about the victims' whereabouts, psychological and legal assistance, and funeral services.

[26] President Andrés Manuel López Obrador offered his condolences to "family members, friends of the victims and political supporters".

[27] The next day, López Obrador publicly cleared the Citizens' Movement of responsibility, saying that they held a campaign rally "like everybody else".

[27] Mariana Rodríguez, the Citizens' Movement candidate for mayor of neighboring Monterrey, also cancelled events and visited the injured with Máynez.