MIDTOWN, Manhattan (WABC) -- A track fire at Grand Central Terminal has led to delays on the 4 and 6 trains.
Officials say firefighters were down in the subway station on 42nd Street early Tuesday to extinguish the flames.
The fire itself took place below 33rd Street. No injuries were reported.
Authorities say both the 4 and 6 trains are running with delays in both directions. The M15 or M103 buses can be used as alternates.
Those trains were originally suspended between 86th Street and Wall Street after the fire.
This is a developing story. Check back for updates.