Daesh terrorist group has claimed responsibility for a gun attack on the Russian Federal Security Service which saw two people killed, British newspaper the Sun reported.

On Friday, a gunman burst into a regional offices in the far east of the country and opened fire, killing one of its employees and a visitor.

Earlier media reports said the FSB believed the gunman was a nationalist. 

The TASS news agency cited an unnamed FSB official as saying that the gunman was a local resident and born in 1999.

Source: MENA