RIVER HILLS, Wis. (CBS 58) -- Firefighters responded to reports of a semi carrying about five vehicles on fire near W. Brown Deer Road and N. River Road Tuesday, Sept. 2. 

According to North Shore Fire, an accident between vehicles caused the fire. The fire chief says two semis and a forklift were involved. 

Officials say there is a related diesel fuel leak. North Shore Fire and Milwaukee Fire Department's hazmat team are on scene. 

A portion of W. Brown Deer Road is closed in both directions near Lynden Sculpture Garden as crews respond.

This is a developing story. Stick with CBS 58 for updates on-air and online.