Israel has filed a complaint with the United Nations after a rocket attack from southern Lebanon and the killing of a soldier in a cross-border shooting.

In the letter of complaint to U.N. chief Ban Ki-moon and the Security Council, Israel’s ambassador Ron Prosor wrote that "the lack of leadership in Lebanon allows Hizbullah to operate against Israel and destabilize the region."

Army Commander Gen. Jean Qahwaji warned on Monday that the military would respond in case the country is subjected to an Israeli military attack.

“The army has the full capability to respond to any Israeli aggression,” Qahwaji said after he inspected army units in Marjeyoun, which lies eight kilometers from the border with Israel.

Clashes between rival army factions in South Sudan have left up to 500 dead and 800 wounded, a top U.N. official told the U.N. Security Council on Tuesday.

The United Nations has been told by local hospitals that between 400 and 500 people have been killed in South Sudan's capital since Sunday, U.N. peacekeeping chief Herve Ladsous told the council, according to diplomats who attended a private briefing with him.

A Lebanese soldier, who went missing after a shooting on an Israeli army unit on Sunday night, has returned to his post, the state-run National News Agency reported.

NNA and Voice of Lebanon radio (93.3) said that the soldier reported to duty in Naqoura on Monday morning after hiding in a bush throughout the night.

Chemical weapons have been used at least five times during the Syrian conflict and in some cases children have been slaughtered, according to a U.N. report released Thursday.

The report cites "credible evidence" and "evidence consistent with the probable use of chemical weapons" in the Syrian sites of Ghouta, Khan Al Asal, Jobar, Saraqueb and Ashrafieh Sahnaya.

The U.N. Security Council has welcomed the mobilization of support by the International Support Group for Lebanon, which the country’s Ambassador to New York described as a reflection of the world body's commitment to protect Lebanon.

In a statement issued following a meeting the Council held on Tuesday, its members “welcomed” the support group's “successful mobilization of support for Lebanon to address the country’s humanitarian, security, and socioeconomic needs.”

France warned on Thursday that the Central African Republic was "on the verge of genocide," as the U.N. considers sending thousands of peacekeepers to the strife-torn country.

"It's total disorder," French Foreign Minister Laurent Fabius told France 2 television, adding that the United Nations was considering authorizing African and French troops to intervene.

Lebanese officials will ask the representatives of major powers for equipment to block Israeli espionage on Lebanon, As Safir newspaper reported on Monday.

The daily said that the ambassadors of the major powers that are permanent U.N. Security Council members in addition to the EU's top diplomat in Lebanon will attend a meeting of the joint parliamentary committees next week.

Saudi Arabia officially told the United Nations on Tuesday that it would not be taking up a U.N. Security council seat -- opening the way for Jordan to take the place.

Saudi envoy to the United Nations Abdullah al-Mouallimi wrote to U.N. leader Ban Ki-moon to inform him of the move and reaffirm a Saudi protest over the way the council has acted over the Syria conflict.

The U.N. Security Council will vote Friday on an African call for the International Criminal Court trial of Kenyan leaders to be suspended for a year, diplomats said.

Rwanda's U.N. envoy Eugene Richard Gasana told reporters after Security Council talks on the case that African states were pressing for a vote this week on their draft resolution.