About 3,000 people have been evacuated because of a fire at a chemical plant in St. Louis County in the U.S. state of Missouri.
The evacuation affected residents in a radius of 800 meters from the plant. Eyewitnesses are reporting that explosions have been heard. Rising clouds of black smoke and the smell of chemicals can be felt in the air. Firefighters who arrived were not immediately able to approach the seat of fire.