FLORENCE (CBSLA.com) – Four people suffered burns at a U.S. Postal Service facility in Florence late Thursday night from exposure to a hydrogen peroxide solution.

The exposure occurred before 11 p.m. at 7001 S. Central Ave., according to the Los Angeles Fire Department.

READ MORE: Kings Lose 4-0 To Canucks In Bruce Boudreau's First Game With Vancouver

The four people were taken to a nearby hospital. Hazmat was called to the scene and a chemical investigation was underway, LAFD reported.

READ MORE: Paul George Scores 21, Clippers Down Shorthanded Trail Blazers 102-90

According to Los Angeles police, the situation did not appear to be criminal in nature.

MORE NEWS: Rep. Nunes To Retire And Work For Trump's New Social Media Company

The details of the incident were not confirmed.