JERUSALEM ( CNN ) -- Palestinian militants fired more rockets into Israel on Friday as a tenuous six-month truce between Hamas and Israel expired . Palestinian children look at a blast crater following an Israeli airstrike over southern Gaza on December 18 . Two Qassam rockets were fired Friday morning from Gaza into separate Israeli communities , the Israel Defense Forces said . Earlier , Palestinians in Gaza shot at Israeli farmers working in their fields in Kibbutz Nirim , the IDF said . No one was hurt in the attacks and one car was damaged , it added . Islamic Jihad sources claimed responsibility for firing the rockets . Under the Egytian-brokered truce , which began June 19 , the Hamas government in Gaza agreed to end militant attacks from Gaza on Israel . The pledge applied to all militant groups in the coastal territory , including Islamic Jihad . In return , Israel agreed to halt raids inside Gaza and ease its blockade . The truce held well for the first four months but began to fall apart in October , when there was a marked increase in the number of rockets fired from Gaza into Israel -- estimated at 200 . Israel resumed airstrikes in Gaza as a result . Watch what may follow the end of the truce » . Israel has said a major military operation in Gaza may be unavoidable if daily rocket fire from the territory continues . However , both sides have expressed a desire not to see the situation worsen . Islamic Jihad said it planned a rally in Gaza City in the afternoon , after Friday prayers , announcing the end of the truce but also calling for a lifting of the Israeli siege . Israel has tightened its restrictions on border crossings and the flow of goods into the impoverished territory , making life extremely difficult for residents . Gaza depends on Israel for 90 percent of its imports , according to the U.N. Development Program . -- CNN 's Ben Wedeman and Michal Zippori contributed to this report .
Egyptian-brokered truce , which began June 19 , has expired . Ceasefire had applied to all militant groups -- including Hamas , Islamic Jihad . Qassam rockets fired Friday from Gaza into separate Israeli communities . Islamic Jihad sources claimed responsibility for firing the rockets .