In a horrific incident, at least 12 civilians have been killed and about 15 injured after militants opened fire in a crowded market place near Kokrajhar district of Assam on Friday.

1 militant has been killed so far as encounter with security forces is underway, reports ANI.

One of the militants also threw a grenade, reports NDTV.

Mukesh Sahay, DGP Assam, told India Today that "there were definitely three to four attackers".

Police are suspecting the involvement of National Democratic Front of Bodoland (NDFB) terrorists in the attack, reports ANI. 

Meanwhile, Assam Chief Minister Sarbananda Sonowal spoke to Prime Minister Narendra Modi to brief him on the ongoing situation while Home Minister Rajnath Singh tweeted out informing that the ministry is "closely monitoring the situation". 

MoS for Home Affairs Kiren Rijiju termed it an "unfortunate" incident and assured that all those affected by the attack will be taken care of. 

ANI also reports that Additional security forces have been rushed to the spot. 

More details awaited. 

(Feature image source: ANI)