CHICAGO (CBS)– Crews are responding to a level 1 hazmat situation in Gresham.

Crews are on the scene at 81st Street, east of Halsted.

A vehicle fire in a industrial area spread to businesses and warehouses in the area. Officials said the warehouses carry chemicals, turning the situation into a level 1 hazmat.

Delays are expected on 81st Street.

This is a developing story.