In pictures: Massive explosion at Mexico's fireworks factory kills 24, injures over 40

Tultepec, about 30 km from Mexico City, is known for its fireworks production. It produces some 25 tonnes of firecrackers and fireworks each year. In the past two years, explosions at licensed and makeshift factories, and the local fireworks market, have killed scores. Image: AFP/ Pedro Pardo

As per BBC, authorities said the casualties included four firefighters, five policemen and a minor. / Image: AFP/ Pedro Pardo

A massive blast ripped through a fireworks depot in Tultepec town of Mexico killing 24 and injuring over 40, as per IANS reports. Image: Twitter (@Billy Goldfeder)

The factory in La Saucera witnessed a series of blasts, the first one occurring at around 9:30 am, while the second explosion occurred minutes later when police and rescue workers arrived to help the victims. Screen grab released by Noe Montes de Oca of the second explosion at a firework warehouses. /Image: AFP Photo/ Noe Montes De Oca

Images taken from a distance of the first blast showed a tall plume of white smoke billowing into the sky. Image: Aerial view of the site./AFP Photo/ Pedro Pardo