Western Saharan rebels have detained people implicated in the October kidnapping of three Europeans in Algeria, the APS agency quoted rebel officials as saying on Thursday.

"They were acting on behalf of a criminal organization unknown until now," Khatri Eddouh, president of the Polisario parliament, was quoted as telling journalists late Wednesday.

Washington said Thursday it was "ludicrous" to accuse it of a role in the killing of Libya's Moammar Gadhafi after Russian Prime Minister Vladimir Putin said U.S. Special Forces were involved.

"The assertion that U.S. special operations forces were involved in the killing of Colonel Gadhafi is ludicrous," U.S. Defense Secretary Leon Panetta's spokesman, Captain John Kirby, told Agence France Presse.

French Foreign Minister Alain Juppe issued a new call for Syrian President Bashar Assad to quit on Thursday, accusing his regime of committing crimes against humanity on a daily basis.

"More than 5,000 killed, three million Syrians are affected by bloody repression, unspeakable abuse and daily crimes against humanity," Juppe told university students during a visit to Libya's capital.

Russian Prime Minister Vladimir Putin on Thursday accused the U.S. special forces of being involved in the killing of deposed Libyan dictator Moammar Gadhafi.

"Who did this?" Putin said in his annual televised phone-in with Russians.

U.S. forces held a formal ceremony to lower the flag in Iraq on Thursday, ahead of their withdrawal from the country nearly nine years after the controversial invasion to topple Saddam Hussein.

The ceremony marking the closure of the U.S. military's headquarters near Baghdad comes after U.S. President Barack Obama hailed the "extraordinary achievement" of the war in a speech to welcome home some of the troops.

Iraq will send a delegation to Syria to try to convince Damascus to implement a Baghdad initiative to end months of bloody conflict, Prime Minister Nouri al-Maliki said on Thursday.

"When I arrive in Baghdad, I will hold a meeting to prepare the plans to send a delegation to Syria in order to implement the Iraqi initiative," Maliki told Agence France Presse as he flew back to Iraq from Washington.

Vandals tried to set light to a mosque in a West Bank village overnight, the local mayor told Agence France Presse on Thursday in what was the latest "price tag" vengeance attack.

"Carpets and chairs in the women's section were partly burnt and on the wall was Hebrew graffiti saying 'The war has started'," said Abdelkader Abdeljalil, mayor of Burqa village, which lies several kilometers (miles) east of Ramallah.

Syrian army deserters killed at least 27 soldiers and members of the security forces during clashes in the southern province of Daraa on Thursday, a rights group said.

The fighting broke out at dawn at checkpoints in three separate locations, the Britain-based Syrian Observatory for Human Rights said in a statement.

Syrian military commanders have ordered troops to indiscriminately shoot at unarmed protesters, Human Rights Watch said in a report released Thursday based on interviews with former soldiers who defected.

The defectors named 74 military and intelligence officers "who allegedly ordered, authorized, or condoned widespread killings, torture, and unlawful arrests," the rights group said in a statement.

The Russian and Iranian leaderships are trying to mediate between the Syrian officials and the Muslim Brotherhood leadership to resolve the Syrian crisis away from any military intervention, As Safir newspaper published on Thursday.

Syrian President Bashar Assad “is seriously seeking a political solution,” Lebanese Muslim officials told the daily.