Tensions rise on southern border after shots fired from Gaza at IDF troops and workers building border barrier Sunday morning; no injuries reported

Construction halted on the border, farmers barred from working fields next to the security fence, as tensions heat up along the frontier

Army builds improved sniper posts, earthworks and walls to protect against gunfire, anti-tank missiles and other terror threats

Several hundred rioters throwing stones and explosive devices at IDF soldiers who respond with tear gas and occasional live fire; 6 reported wounded

Defense Ministry reportedly mulling wall inside Israeli territory to thwart terrorists who sneak across; Strip's rulers said to deploy extra troops to stymie infiltrations