Israel says seven rockets have been fired by Hamas militants from Gaza since it agreed to extend a humanitarian ceasefire last night.
Hamas rejected the truce - saying it would only accept it if Israeli troops left the territory.
Last night, thousands turned out in the Israeli city of Tel Aviv to call for a peaceful resolution:
Fianna Fáil wants the Seanad to be recalled from its summer recess to discuss the crisis in Gaza.
The party has criticised the Government's abstention from a UN vote to set up an inquiry into human rights abuses in the region.
And Senator Darragh O'Brien says they want the new Foreign Affairs Minister to come back and explain himself: