An Israeli official landed in Cairo on Sunday for Egypt-mediated truce talks with Hamas to end the Gaza conflict, Egyptian security officials said.

The official landed in a small plane at 1100 GMT and was quickly escorted away by intelligence personnel, the security officials said.

Israeli President Shimon Peres said in an interview on Sunday he welcomed efforts by his Egyptian counterpart to secure a ceasefire in the Gaza conflict but accused Hamas of rejecting the proposals.

He also said he could forsee a scaling back of the situation and stressed that Israel was taking great pains not to hit civilians in the Gaza Strip.

Pope Tawadros II was enthroned as the new leader of Egypt's Coptic Christian minority on Sunday in a ceremony at Cairo's St Mark's Cathedral attended by Prime Minister Hisham Qandil.

Tawadros, 60, was chosen on November 4 to succeed Pope Shenuda III, who died in March after four decades on the patriarchal throne.

Maronite Patriarch Beshara al-Rahi attended on Sunday the enthronement of the new Coptic pope in Cairo ahead of the Nov. 24 ceremony that would officially appoint him as a new cardinal in the Catholic church.

The enthronement of Bishop Tawadros was held at Cairo's St. Mark's Cathedral.

Egyptian President Mohammed Morsi called on his Argentine counterpart Cristina Kirchner to rally other Latin American leaders in support of stopping the violence in Gaza, Argentina said Saturday.

"The president of the Arab Republic of Egypt, Mohammed Morsi, contacted President Cristina Fernandez de Kirchner, to ask for her intervention, and through her the leaders of the region and the world, for an end of violence between Israel and the Palestinian faction Hamas, which rules the Gaza Strip," the government said in a statement on its website.

Egypt's President Mohammed Morsi said on Saturday his government was in touch with both Israelis and Palestinians and there were indications they could "soon" reach a truce, but there were no guarantees.

"There are some indications that there could be a ceasefire soon," Morsi said at a joint news conference with Turkish Prime Minister Recep Tayyip Erdogan, adding that there were still "no guarantees."

Arab League chief Nabil al-Arabi will head a delegation to Gaza in a show of solidarity after Arab ministers decided on Saturday to review their diplomacy towards Israel and show their support for the Palestinians.

The delegation will travel to Gaza "to affirm solidarity with the Palestinians," a League statement said after the foreign ministers' meeting. Arabi told reporters it would head for the enclave either on Sunday or Monday.

Egypt's churches have pulled out of a panel dominated by Islamists that is writing the country's post-revolt constitution, state television announced on Saturday.

"Egypt's three churches have withdrawn from the constitutional assembly," state television quoted Bishop Pachomious -- the interim head of the Christian Coptic Orthodox church -- as saying.

Arab League chief Nabil al-Arabi said on Saturday that the bloc should review its peace proposals to Israel and its entire stance on the peace process in response to the conflict in Gaza.

Member states should "reconsider all past Arab initiatives on the peace process and review their stance on the process as a whole," he told an Arab foreign ministers' meeting in Cairo called to discuss the conflict.

Hamas chief Khaled Meshaal was in Cairo on Saturday to confer on ending the Gaza conflict but the Islamist group is reluctant to agree a ceasefire without guarantees Israel will honor it, a senior Hamas official said.

Meshaal was scheduled to meet with Egypt's intelligence chief as well as Turkish Prime Minister Tayyip Erdogan and Qatari Emir Hamad bin Khalifa al-Thani, both visiting Cairo, said the official, who spoke on condition of anonymity.