Militants inspired by the Islamic State group's ideology are seeking to benefit from the desperation of young Palestinians to strengthen their foothold in the Gaza Strip.
Airlines blocked flights to Israel Wednesday after a Gaza rocket struck near airport runways, as the UN chief urged an end to a conflict that has killed 639 Palestinians and 31 Israelis.
US President Barack Obama called for an "immediate ceasefire" between Israel and Hamas, after the bloodiest day of fighting in Gaza raised the number of Palestinians killed to 476.
New Israeli air and tank strikes in Gaza early Wednesday killed several people, medics said, bringing the death toll from Israel's operation in the besieged Palestinian territory to 204.
Clashes erupted in Paris on Sunday as thousands of people protested against Israel and in support of residents in the Gaza Strip, where a six-day conflict has left 168 Palestinians dead.
The Israeli air force bombed 160 targets in the Gaza Strip overnight as it pressed a widescale campaign to stop volleys of Palestinian rocket fire, an army official said.
Israeli troops have arrested some 30 Palestinians in the West Bank as they ramped up a search for three teenagers believed kidnapped by Hamas, the army said.
World governments should not rush to approve the new Palestinian cabinet, Israeli Prime Minister Benjamin Netanyahu said Sunday, after the Palestinians accused the Jewish state of punishing them over a unity deal.
Israeli fighter jets attacked in the Hamas-ruled Gaza Strip on Friday morning, sources on both sides said, hours after a rocket fired from the Palestinian enclave hit the Jewish state.
Syria's civil war has caused a split within Hamas over whether to cling to Shiite backers Damascus, Tehran and Hezbollah or side with Sunni allies such as Qatar, Egypt and Turkey.
Bold choices are needed to coax the Middle East peace process back to life, including bringing Hamas off the sidelines, which may risk tearing the new Israeli cabinet apart.
The United States called Thursday on Egypt, Turkey and European powers to press Hamas to end bloodshed in Gaza, putting the onus on the Islamist movement to end rocket attacks on Israel.