RS Pura (J and K), Mar 04 (ANI): A day after the Border Security Force (BSF) discovered a tunnel near Nikki Tawi river in Jammu sector, Inspector General Rakesh Sharma on Friday said the tunnel was dug by Pakistan and they have asked Pakistani rangers to come forward and check the evidences. He further added that the tunnel is very big in dimensions and it appears like a big terror attack was being planned through this tunnel.