The Sudanese army claimed a strategic victory on Saturday in its war against the rebels in South Kordofan, saying it captured camps on a key supply route in the southern border region after deadly clashes.

"Today the Sudanese army took control of SPLA camps in the Lake Jau area. The fighting took place at around 4:30 pm (13:30 GMT). There were a number of casualties and injured soldiers on both sides," army spokesman Sawarmi Khaled Saad told Agence France Presse.

Sudan delayed the expulsion of Kenya's ambassador by two weeks to give Nairobi time to cancel a warrant for the arrest of President Omar al-Bashir, the foreign ministry said on Saturday.

A Kenyan judge on Monday issued the local warrant for Bashir, who is wanted by the International Criminal Court (ICC) for war crimes and genocide in Sudan's war-torn Darfur region, after the government failed to arrest him when he visited Nairobi last year.

The prosecutor of the International Criminal Court asked judges Friday for an arrest warrant for Sudan's defense minister over crimes committed in Darfur, his office said.

Luis Moreno-Ocampo asked the court "to issue an arrest warrant against the current Sudanese Defense Minister Abdelrahim Mohamed Hussein for crimes against humanity and war crimes committed in Darfur from August 2003 to March 2004," the prosecutor's office said in a statement.

The Khartoum government has blocked South Sudanese oil exports due to a dispute over transit fees, Oil Minister Ali Ahmed Osman said on Monday.

"Sudan stopped South Sudan's exports of oil on November 17," in the second such incident since August, a month after the south declared its independence, the minister told reporters.

A Kenyan court issued an arrest warrant Monday for Sudan's President Omar al-Bashir, wanted by the International Criminal Court on genocide charges.

Though Kenya has ratified the founding the ICC's founding Rome statute, it failed to arrest the Sudanese leader when he visited the country in August 2010.

Envoys of U.S. President Barack Obama voiced "deep concern" at violence and the humanitarian crisis on the border of Sudan and South Sudan during a visit to the region, the White House said Monday.

Deputy National Security Advisor Denis McDonough joined Washington's special envoy for Sudan, Princeton Lyman, for talks in Khartoum and then in Juba, the capital of newly independent South Sudan, on Sunday and Monday.

The U.N. human rights chief on Friday condemned a deadly air strike on a refugee camp in South Sudan, saying the attack could amount to an international crime.

"We condemn the bombing. It's an extremely serious matter and could amount to an international crime," spokesman Rupert Colville told journalists.

One U.N. peacekeeper was killed and two others injured Sunday in an attack on a patrol in the southern part of Sudan's war-ravaged Darfur region, the United Nations said in a statement.

U.N. Secretary General Ban Ki-moon condemned the attack on the patrol near Nyala and said he expects the government in Khartoum to "swiftly bring those responsible for this reprehensible act to justice," his spokesperson said.

Sudan has lodged a fresh complaint with the U.N. Security Council detailing South Sudan's alleged support for rebels in its war-torn border states, just four months after partition, state media reported Saturday.

Sudan's U.N. ambassador, Daffa-Alla Elhag Ali Osman, provided "detailed, confirmed information explaining the support of the government of the south for the rebels in South Kordofan and Blue Nile," the SUNA news agency reported.

Hundreds of SPLM-North rebels were killed in clashes with the Sudanese army in South Kordofan on Monday, said a local governor in Sudan's only oil producing state where the army is battling insurgents.

"Several hundred members of the movement were killed this day in an assault on the city of Teludi that was repelled by the armed forces," governor Ahmed Haroun said of South Kordofan, the scene of frequent clashes.