NEW : By late Tuesday , the armed wing of Hamas -- the Qassam Brigades -- said on its website that it had fired 29 rockets into Israel in 20 minutes . Three people , including an infant , are reported killed in Gaza . Armed wing of Hamas says it fired 29 rockets into Israel . ` ` It 's our understanding that ... the ceasefire has broken down , '' a U.S. official says . Prime Minister Benjamin Netanyahu orders the Israeli military to respond to rocket fire .
NEW : Three people , including an infant , are reported killed in Gaza . Armed wing of Hamas says it fired 29 rockets into Israel . ` ` It 's our understanding that ... the ceasefire has broken down , '' a U.S. official says . Prime Minister Benjamin Netanyahu orders the Israeli military to respond to rocket fire .