The International Committee of the Red Cross said Monday it will begin this week to clear unexploded munitions in Libya's Bani Walid and Sirte, where several civilians have been hurt or killed by explosives.

"The ICRC will clear unexploded munitions in Sirte and Bani Walid, focusing on the contaminated areas that pose the greatest threat to civilians, especially some of the least destroyed neighborhoods where people are attempting to return to their homes," said the relief agency in a statement.

A member of Nigeria's Islamist Boko Haram sect on Saturday claimed responsibility for a wave of attacks that killed at least 63 people in the northeast of the country the day before.

"We are responsible for the attack in Borno (state) and Damaturu," Abul Qaqa told an Agence France Presse correspondent by phone.

The international war crimes court is still negotiating surrender terms with Moammar Gadhafi’s son, Seif al-Islam, the court's prosecutor said Wednesday.

The International Criminal Court has "received questions from individuals linked to Seif al-Islam about the legal conditions attaching to his potential surrender," chief prosecutor Luis Moreno-Ocampo told the U.N. Security Council.

U.N. chief Ban Ki-moon on Wednesday demanded an immediate end to the Syrian government's crackdown on civilian protesters that has killed more than 3,000 people since mid-March, according to U.N. figures.

"Killing civilians must stop immediately in Syria," Ban told a news conference in Tripoli on his first visit to Libya since the eruption in February of the uprising which toppled veteran tyrant Moammar Gadhafi.

U.N. leader Ban Ki-moon arrived Wednesday in Libya for a surprise visit, an airport official told Agence France Presse, his first since the uprising that ousted Moammar Gadhafi.

Earlier U.N. spokesman Martin Nesirky said Ban would spend one day in Tripoli to meet officials in the National Transitional Council who ousted Gadhafi and representatives of civic group.

Iran's Foreign Minister Ali Akbar Salehi is to travel to Libya to boost ties with the country's new leaders following an international conference in Turkey Wednesday on Afghanistan, Tehran said.

"After Turkey, the foreign minister will go to Libya to boost bilateral relations," the Iranian government said in a statement on its website, giving no further details.

U.N. investigators have identified a previously unknown complex in Syria that bolsters suspicions that the Syrian government worked with A.Q. Khan, the father of Pakistan's atomic bomb, to acquire technology that could be used to make nuclear arms.

The buildings in northwest Syria closely match the design of a uranium enrichment plant provided to Libya when Moammar Gadhafi was trying to build nuclear weapons under Khan's guidance, officials told The Associated Press.

The U.N. Security Council on Monday called on Libya's interim authorities and neighboring countries to stamp out the spread of weapons from Moammar Gadhafi’s huge stockpile.

Amid mounting fears that militant groups in Africa and beyond could get shoulder-fired rockets and other weapons from the Gadhafi cache, the 15-member council unanimously passed a resolution demanding the clampdown.

Abdul Rahim al-Kib, an academic, has been elected as Libya's prime minister in a public vote carried out by the members of the ruling National Transitional Council, an Agence France Presse correspondent reported.

Kib, who hails from the Libyan capital Tripoli, came out in front in the battle for the post ahead of four other candidates in the first round, garnering 26 out of 51 votes.

Libyan ex-prime minister Baghdadi al-Mahmoudi, held in a Tunisian prison, fears for his life as the sole holder of Libyan state secrets since Moammar Gadhafi’s death, his lawyer said Monday.

"After the death of Moamnar Gadhafi, he became the only one to hold the secrets of the Libyan state, and has become valuable prey for the secret service," lawyer Mabrouk Kurchid told a news conference in Tunis.