Early reports indicate that this happened at the Tultepec Pyrotechnics Market, and that over 60 people have been injured, and at least 10 have been killed.
At least six separate blasts were reportedly heard at around 2:50pm at a fireworks market, San Pablito. The explosions were even heard in the nearby towns of Cacalco and Tultitlan, locals wrote on Twitter.
At least 60 people were injured in the explosion, Luis Felipe Puente, National Coordinator of Civil Protection of the Ministry of the Interior, told reporters. At the moment there have been no confirmed deaths, he said according to El Sol de Mexico.
Firefighters, policemen, and paramedics from the nearby municipalities of Coacalco, Tultitlan, Cuautitlan Izcalli and Zumpango, were mobilized along with State Security Commission units, Quadratin reports.