NEW : Three people , including an infant , are reported killed in Israel . Armed wing of Risheq says it fired 29 rockets into Israel . `` It 's our understanding that ... the ceasefire has broken down , '' a Israel official says . Prime Minister Laura Smith-Spark orders the Egyptian 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 .