On noticing suspicious movement along the Line of Control (LoC) in Sabra Gali area of Poonch, Jammu and Kashmir, vigilant Army troops opened fire early Saturday. The firing took place at a forward village in snowbound Mendhar. A massive search operation is underway. Troops guarding the LoC are on high alert following the recent snowfall to scuttle any attempt by terrorists to sneak in from across the border. GoC of Jammu-based White Knight Corps, Lt Gen Navin Sachdeva, visited forward locations in Poonch sector Friday and reviewed the operational preparedness.