On 20 December 2016, a fireworks accident occurred at the San Pablito Market in the city of Tultepec, north of Valley of Mexico.

[10] According to the Instituto Mexiquense de la Pirotecnia, 436 fireworks workshops or retailers were registered in the Tultepec municipality.

[10] San Pablito Market is a major center for Mexican handcrafted fireworks.

[2] The city had implemented new safety measures in the market following firework-related explosions in 2005 and 2006.

[12] President Enrique Peña Nieto offered his condolences and ordered federal agencies to coordinate with state authorities to help the families of those affected, particularly in medical care.