Protesters block section of George Washington Memorial Parkway

A section of the George Washington Memorial Parkway was closed by protesters who were demonstrating in the roadway Wednesday.

U.S. Park Police say the protesters were along the northbound lanes near the Spout Run Parkway in the Arlington area.

All lanes of the GW Memorial Parkway, from Spout Run Parkway to Chain Bridge Road, were closed for about an hour..

This is a developing story. Stay with us for updates.