SHARE 283 3 2 COMMENTMORE

AFFTON, Mo. – St. Louis County police officers found a meth lab in Affton Wednesday afternoon after they responded to a report of Wednesday afternoon after they responded to a report of an explosion.

Officers were called to the 4800 block of Hannover shortly after 2 p.m., and found evidence of an active meth lab. The meth lab had been abandoned by the time police arrived.

An employee at a nearby business says police asked workers to stay inside their building and not to linger outside if they leave.

The St. Louis County Meth Unit is on the scene investigating.