Palestinian militant group Hamas fired mortar shells at Israeli targets in the Gaza Strip, shaking a fragile peace in place since January after Israeli soldiers shot dead three Palestinian youths. The violence came as Israeli police deployed in Jerusalem’s Old City, a day ahead of a banned protest by Jewish extremists which Palestinian groups have already warned could threaten the unofficial truce with Israel. The Israeli military said that 14 mortars landed around the Gaza Strip’s main settlement bloc of Gush Katif, slightly damaging a building, in an attack later claimed by Hamas in a telephone call to AFP. Full Story