The Libyan government warned on Friday of the possibility of a break-up of the country if clashes between rival militias for control of Tripoli airport went on.

Calling for an end to 13 days of conflict around the airport, the interim government warned of "the collapse of the country" and "the destruction which could result from ... endless war."

Relations between Turkey and Israel have hit their "lowest level" amid the Israeli assault on the Gaza Strip, and may not be able to improve for some time, Turkish Deputy Prime Minister Bulent Arinc said.

Arinc, one of the founding members of Prime Minister Recep Tayyip Erdogan's Islamist-influenced AKP party, said Turkey had always calibrated its relations with Israel according to Israel's behavior towards the Palestinians.

An Air Canada flight from Toronto was forced to circle the Tel Aviv airport before landing Friday after rockets were fired over the Israeli capital, an airline spokeswoman said.

"Eight kilometers away from landing at the Tel Aviv airport this morning, the pilots of Flight AC84 were ordered into a standard holding pattern by Israeli air traffic control," Air Canada spokeswoman Isabelle Arthur said.

Thousands of Jordanians took to the streets of Amman and other cities Friday to support Hamas and condemn Israel's offensive in Gaza, where more than 800 Palestinians have been killed.

Around 2,000 people demonstrated in central Amman after Friday midday prayers, chanting: "We sacrifice our blood and souls for you, Gaza," in support of Hamas' armed wing the Ezzedine al-Qassam Brigades.

As Ahmed Bulbul's body is brought into the emergency room at Gaza's Shifa hospital, a father standing nearby clamps his hand over his little boy's eyes.

Bulbul's leg has been ripped open by shrapnel, and the exposed flesh wobbles as he is taken into the chaotic emergency room at the Gaza City hospital.

A series of blasts outside Shiite prayer halls killed four people and wounded 19 others on Friday in the northern Iraqi city of Kirkuk, police and medical sources said.

The deadliest blast took place in a car park outside the Mustafa prayer hall, or husseiniya, in the city's southwest, where a car bomb killed four worshipers and wounded 15 others after they had finished prayers.

A French lawyer said Friday he had lodged a complaint at the International Criminal Court (ICC) on behalf of the Palestinian justice minister accusing the Israeli army of "war crimes."

More than 800 Palestinians have been killed in Israel's offensive in Gaza, which was launched on July 8.

The European Union called Friday for an "immediate" investigation after 15 Palestinians were killed when an Israeli shell slammed into a U.N.-run shelter in Gaza.

"We are obviously extremely concerned about the continued escalation of the violence in Gaza ... and the deplorable increase in the number of civilian deaths," European Commission spokeswoman Maja Kocijancic said.

Israeli security forces were on heightened alert Friday after several Palestinians were shot dead during a huge protest in the West Bank against Israel's military offensive in Gaza.

Palestinian medical and security sources told Agence France-Presse that five Palestinians were killed in the West Bank on Friday in two separate incidents involving both Israeli troops and Israeli settlers.

The World Health Organization urged on Friday the creation of a humanitarian corridor in the besieged Gaza Strip to allow for the evacuation of the wounded.

"WHO is calling for the creation of a humanitarian corridor ... to reach various crossings and to help in the evacuation of the large number of injured people," said Paul Garwood, a spokesman for the U.N. health agency.