<p>An FBI agent was reportedly injured when a flash grenade detonated Wednesday in a New York City parking garage.</p> 
<p>Officials told <a href="http://www.nbcnewyork.com/investigations/Incident-at-Federal-Plaza-in-Downtown-Manhattan-Causes-Injuries-440784493.html?utm_source=dlvr.it&amp;utm_medium=twitter" type="external">NBC's local affiliate</a> in New York that one person was taken to Bellevue Hospital to receive treatment for burns on his hand.</p> 
<p>The agent was handling the device when it went off, officials said.</p> 
<p>Witnesses told the <a href="http://www.nydailynews.com/new-york/explosion-reported-federal-building-manhattan-article-1.3417037" type="external">New York Daily News</a> 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.</p>
An FBI agent was injured when a flash grenade exploded in Manhattan