At least two soldiers were killed and two others injured when their vehicle hit a landmine in Mohmand tribal region in northwest Pakistan on Wednesday, local media reported.

The vehicle carrying an unknown number of paramilitary troops was on routine patrol in Aleem Gar area in Mohmand, one of the seven tribal regions bordering Afghanistan.

No group has claimed responsibility for the attack.

Earlier on January 21, four soldiers were injured in a remote- controlled bomb blast in the very same area.