LOS ANGELES—A chemical leak at a business in the Atwater Village area prompted a hazardous-materials response and an evacuation on March 17, but no injuries were reported. The problem was reported about 8:40 a.m. at Huntsman Chemical in the 4500 block of West Electronics Place, said Margaret Stewart of the Los Angeles Fire Department. “This incident was initially received as an ‘automatic fire alarm’ and the first responding fire company upgraded it to a hazardous materials response with additional requested resources en route,” Stewart said in a statement. The building was evacuated as a precaution, Stewart said. “A metal vessel was being prepared for packaging/distribution and a small valve broke, expelling gas into the air creating a small cloud which rapidly dissipated,” Stewart said. “There was no fire, no explosion, no injuries and no medical complaints.” Stewart added on late Thursday morning that “Hazardous materials firefighters made entry with specialized …