Tornado warning expired in Frederick and Montgomery County, MD

A tornado warning has been issued in Frederick County and Montgomery County, Maryland. FOX 5's Caitlin Roth reports that the tornado warning was dropped at 2 p.m.

The National Weather Service has issued a tornado warning in Damascus, Urbana, and Green Valley, Maryland until 2:15 p.m.

This is a developing story. Stay with FOX 5 for updates and more information.