An explosion rocked a gas cylinder factory Wednesday afternoon in southeastern Argentina, injuring at least four people.
At about 1 p.m., the blast erupted at the factory in the Greater Buenos Aires town of Tortuguitas, located 40 kilometers northwest of the city of Buenos Aires, local media report. Fireballs leapt from the burning building and gas cylinders were hurled by the explosions.
Firefighters evacuated all families living near the factory. The cause of the explosion remains unknown.