Says end of rocket and mortar fire crucial to deal to end conflict.
Several challenges preventing more permanent ceasefire.
Israeli missile exploded as attempts were being made to dismantle it.
Lead U.S. negotiator declined to give a final deadline for final nuclear deal.
Humanitarian chief said ceasefire is "vital" as flight ban to Israel lifted.
Iraqi MPs have again delayed a session needed to elect a new leadership in the face of a Sunni rebellion.
A series of demonstrations and small bombings marked the anniversary.
Interior minister said border force was functioning normally.
The wife and child of a Hamas leader have reportedly been killed.
U.S. President Barack Obama delivered an angry condemnation of the ISIS militant group believed to be behind the beheading of American journalist, James Foley.
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