Update at 10:25 a.m. — “A couple of trains were delayed but continued to move through the area,” says Metro spokesman Ron Holzer.
Update at 9:30 a.m. — The fire is reported to be out. Expect some traffic issues on westbound I-66 due to parked fire equipment.
Initial reports suggest that trains may have been halted in the area. Metro is said to be checking whether the fire may have damaged the third rail.
Update at 9:25 a.m. — The fire is said to be on a railroad tie. No word yet on whether this will affect trains along the Orange Line.
A small fire has been reported on or near the Metro tracks along I-66, between Glebe Road and East Falls Church.
Arlington firefighters are responding to the area.