ARLINGTON, Va. (DC News Now) — Arlington Fire and EMS were responding to a “large” natural gas leak on Wednesday afternoon.

Officials responded to the 4600 block of Fairfax Drive near N Glebe Road for the leak. They said that the ability to access or get off I-66 at Fairfax Drive was impacted.

Fire and EMS said that crews were monitoring the air in nearby structures and all readings seemed normal as of 3:09 p.m. They said that there was an odor throughout the Ballston area that was continuing to dissipate over two hours later.

Officials did not yet say what caused the leak. Washington Gas was on the scene.

Fire and EMS said that no evacuations were needed.

In an update at 5:48 p.m., Fire and EMS said that the leak was under control and crews were working on clearing the scene. They said that limited lanes would be re-opening.