An FBI agent was reportedly injured when a flash grenade detonated Wednesday in a New York City parking garage.
Officials told NBC's local affiliate in New York that one person was taken to Bellevue Hospital to receive treatment for burns on his hand.
UPDATE: Law enforcement sources say an FBI agent accidentally let off a flash grenade inside a loading dock where their car was parked.— Myles Miller (@MylesMill) August 16, 2017
The agent was handling the device when it went off, officials said.
Witnesses told the New York Daily News that they called 911 after hearing a small explosion and seeing smoke coming from the back of a federal building that houses the FBI and U.S. Citizenship and Immigration Services.