Blaze at Moscow fireworks warehouse injures 4 Smoke rises from a pyrotechnics warehouse in Moscow, Russia, Saturday, June 19, 2021. A large fire broke out at a fireworks depot in the center of Moscow. The fire is raging at the area of 500 square meters, Russia emergency services said in the statement. (AP Photo/Pavel Golovkin)
A Russian Emergency Situations Ministry paramedic, right, and a police officer escort a wounded man from a fire place at a warehouse in Moscow, Russia, Saturday, June 19, 2021. A large fire broke out at a fireworks depot in the center of Moscow. The fire is raging at the area of 500 square meters, Russia emergency services said in the statement. (AP Photo/Pavel Golovkin)
People watch as a Russian Emergency Situations Ministry helicopter dumps water on fire at a warehouse in Moscow, Russia, Saturday, June 19, 2021. A large fire broke out at a fireworks depot in the center of Moscow. The fire is raging at the area of 500 square meters, Russia emergency services said in the statement. (AP Photo/Pavel Golovkin)
A Russian Emergency Situations Ministry helicopter dumps water on fire at a warehouse in Moscow, Russia, Saturday, June 19, 2021. A large fire broke out at a fireworks depot in the center of Moscow. The fire is raging at the area of 500 square meters, Russia emergency services said in the statement. (AP Photo/Pavel Golovkin)
A Russian Emergency Situations Ministry helicopter dumps water on fire at a warehouse in Moscow, Russia, Saturday, June 19, 2021. A large fire broke out at a fireworks depot in the center of Moscow. The fire is raging at the area of 500 square meters, Russia emergency services said in the statement. (AP Photo/Pavel Golovkin)
People watch as a Russian Emergency Situations Ministry helicopter dumps water on fire at a warehouse in Moscow, Russia, Saturday, June 19, 2021. A large fire broke out at a fireworks depot in the center of Moscow. The fire is raging at the area of 500 square meters, Russia emergency services said in the statement. (AP Photo/Pavel Golovkin)
People watch as smoke rises from a pyrotechnics warehouse in Moscow, Russia, Saturday, June 19, 2021. A large fire broke out at a fireworks depot in the center of Moscow. The fire is raging at the area of 500 square meters, Russia emergency services said in the statement. (AP Photo/Pavel Golovkin)
A Russian Emergency Situations Ministry helicopter dumps water on fire at a warehouse in Moscow, Russia, Saturday, June 19, 2021. A large fire broke out at a fireworks depot in the center of Moscow. The fire is raging at the area of 500 square meters, Russia emergency services said in the statement. (AP Photo/Pavel Golovkin)
A Russian Emergency Situations Ministry helicopter dumps water on fire at a warehouse in Moscow, Russia, Saturday, June 19, 2021. A large fire broke out at a fireworks depot in the center of Moscow. The fire is raging at the area of 500 square meters, Russia emergency services said in the statement. (AP Photo/Pavel Golovkin)
A Russian Emergency Situations Ministry helicopter dumps water on fire at a warehouse in Moscow, Russia, Saturday, June 19, 2021. A large fire broke out at a fireworks depot in the center of Moscow. The fire is raging at the area of 500 square meters, Russia emergency services said in the statement. (AP Photo/Pavel Golovkin)
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Smoke rises from a pyrotechnics warehouse in Moscow, Russia, Saturday, June 19, 2021. A large fire broke out at a fireworks depot in the center of Moscow. The fire is raging at the area of 500 square meters, Russia emergency services said in the statement. (AP Photo/Pavel Golovkin)
MOSCOW ā A warehouse holding a reported 15 metric tons (16.5 tons) of fireworks in central Moscow caught fire on Saturday, sending a huge cloud of smoke and a fusillade of explosions over the area.
Three firefighters and a warehouse employee were injured and one firefighter was hospitalized.
Three helicopters and a fireboat were dispatched to help put out the blaze at the warehouse, which sits 100 meters (320 feet) from the Moscow River near the sprawling Luzhniki sports complex.
The cause of the fire was not immediately determined.
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