A random commuter was viciously sprayed with acid in a New York City subway station this week; raising new questions for local officials over safety and security in the country’s largest metropolitan area.

“A 37-year-old woman was the victim of an unprovoked attack when another woman threw bleach at her face in a Manhattan subway station Thursday afternoon, police said,” reports NBC New York. “The woman was standing near the subway booth at 7th Avenue and West 14th Street when a 30-year-old woman threw liquid at her, police said. The victim suffered minor burns, according to the FDNY. She was taken for treatment to Lenox Hill Hospital.”

“Bleach can cause a mild irritation to the skin. It’s a little bit more dangerous and can cause inflammation to the mucus membrane like the lining of your mouth or even your eyes,” said the Chief Medical Officer at Mount Sinai hospital in Brooklyn.

Read the full report here.