At least three people were killed by gunfire in Russia Thursday in an attack near the building of the Federal Security Service in central Moscow, local media reported.   

In a video posted on social media, multiple law enforcement officers can be seen and gunfire can be heard, said Russian state-supported television RT.  

Though what happened remains unclear, “conflicting reports indicate that one to three individuals, armed with ‘assault rifles’ attacked the FSB building,” said RT.

This is a developing story.

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