Multiple law enforcement officers were shot in Charlotte, N.C., on Monday when a U.S. Marshals task force conducting an investigation was met by gunfire, the police said.

The authorities shut down the Shannon Park neighborhood, east of downtown, in order to more easily move victims to area hospitals, the Charlotte-Mecklenburg Police Department wrote on social media. It cautioned residents to stay inside and avoid the area. The scene was still active after 3 p.m., the authorities said, and a SWAT team was at the scene.

The number of people injured and the extent of injuries was not immediately clear. The task force is made up officers from multiple agencies.

This is a developing story.