Smoke trails are seen after ordnances were fired by Palestinian militants from Gaza towards southern Israel, east of Bureij Refugee Camp, central Gaza Strip, Tuesday, Nov. 20, 2012. Ef

 

              Smoke trails are seen after ordnances were fired by Palestinian militants from Gaza towards southern Israel, east of Bureij Refugee Camp, central Gaza Strip, Tuesday, Nov. 20, 2012.  Ef
Smoke trails are seen after ordnances were fired by Palestinian militants from Gaza towards southern Israel, east of Bureij Refugee Camp, central Gaza Strip, Tuesday, Nov. 20, 2012. Efforts to end a week-old convulsion of Israeli-Palestinian violence drew in the world's top diplomats on Tuesday, with President Barack Obama dispatching his secretary of state to the region on an emergency mission and the U.N. chief appealing from Cairo for an immediate cease-fire. (AP Photo/Adel Hana)