The milestones have been defaced, the signboards painted black. Signs that the Line of Control (LoC) is hotting up are scattered all over pockmarked houses and trees laid low by shell splinters.Tonight, four were killed and 20 injured as Pak shells pounded Poonch town for the first time since the 1971 war. Elsewhere, an Army jawan died and two people including a woman were injured in Nowshera and Arnia sectors.