Montgomery County Fire and Rescue are responding to the scene of a truck apparently leaking fuel in the 4800 block of Leland Street in Bethesda.
Units were arriving on the scene shortly before noon.
A truck, apparently a dump truck or construction truck, was reported to be leaking fuel, according to Capt. Oscar Garcia, a Fire and Rescue spokesman.
Police were being called to the area to block off Leland Street at Woodmont and Bradley, Garcia said.