Package explodes at Maryvale post office spilling unknown chemical onto 3 workers

PHOENIX — The Phoenix Fire Department’s hazardous materials crew is investigating at a Maryvale post office after a package exploded and spilled an unknown chemical onto three workers.

According to the Phoenix Fire department, they arrived at a post office near Campbell Avenue and Maryvale Parkway for reports of a chemical spill.

“Workers at the post office reported a package that had exploded spilling an unknown chemical and exposing three employees,” according to fire officials.

The three employees exposed are in stable condition and are being evaluated, fire officials say.