Four people were injured in a series of explosions Thursday at a metal recycling facility in Southern California, U.S. media reported, citing local officials, Trend reports citing Xinhua.
The incident was reported at about 9:15 a.m. local time in City of Montclair, about 53 km east of Los Angeles. Emergency responders set up a perimeter in the area as firefighters used firehoses to douse piles of pressurized metal cannisters on the ground at the facility, according to KABC-TV, the West Coast flagship station of the ABC television network.
"Everything was just exploding like a freaking war over here," witness Albert Castro was quoted as saying by the news outlet.
Two of the victims were transported to a hospital by ambulance, while the two others went to a medical center in civilian vehicles, reported KABC-TV, adding that their conditions and details of their injuries were not immediately known.
Some nearby schools were reportedly placed on precautionary lockdowns.
The cause of the incident is under investigation.