NEWPORT NEWS, Va. (WVEC) -- A water main break caused some lunchtime traffic problems at a major Newport News intersection.

The break happened at about 11:14 a.m. at Mercury Boulevard and Jefferson Avenue. There are lane closures on both streets, causing traffic delays.

As of 12:30 p.m., crews were able to re-open all lanes, with the exception of the merge lane northbound on Jefferson that leads to eastbound Mercury.

Officials are not sure at this time what caused the break.