Origin of decades-old 90-millimeter mortars unclear; capital most recently scene of battle during 1967 Six Day War, 1948 Independence War

Lebanese newspaper reports Egyptian intelligence officials tell terror leaders that Jerusalem serious in threats to carry out wide-ranging military campaign if violence continues

Army retaliates by bombing Hamas post; rocket attack interrupts night-time swimming event in Kibbutz Netiv Ha'aasara, sending dozens of children running to bomb shelters

One projectile strikes open field in south, causing no damage, three others land inside the Strip, amid soaring tensions