The Senate Office Buildings in DC were thrown into chaos on Wednesday afternoon when a 911 call led authorities to believe their might be an armed threat inside one of the buildings, leading to an evacuation.

The Capitol Police said, however, that there were no reports of gunfire, further causing confusion.

Here's video of the Capitol Police clearing the buildings as they evacuated staffers:

More video of the police response:

No shooter had been found as of 3:30 p.m. EST. The shelter-in-place order is still in effect.

This story will be updated as we know more.