A water main break in Lower Manhattan is disrupting subway service.

The main broke around 1:40 a.m. Wednesday, flooding Fifth Avenue between 13th and 14th streets.

Repair crews are on the scene.

Authorities say D train service is suspected in both directions between Dekalb Avenue and 34th Street-Herald Square.

Northbound F trains are running on the E line from West Fourth Street-Washington Square to Jackson Heights-Roosevelt Avenue in Queens.

In addition, the M2 and M5 buses are being re-routed from Fifth Avenue to Broadway.

(AP)