The conflict in May killed more than 250 Palestinians and 13 people in Israel
The US dispatched an envoy to the region and Egypt and Qatar sought to help broker a truce
The latest bout of fighting appeared to be the most serious escalation since a 2014 war in Gaza
Egyptian-mediated talks to end weeks of deadly fighting between Israel, Hamas and other militant groups in Gaza collapsed on Tuesday when violence broke out after ten days of relative calm.