Political tensions over Venezuela's disputed presidential election boiled over Tuesday in the National Assembly as government and opposition lawmakers said they physically clashed.

"I'm not the only one who has been beaten. They have struck several lawmakers. (Assembly speaker) Diosdado Cabello has to be held to account personally," said opposition lawmaker Julio Borges.

Bolivia's constitutional court ruled Monday that President Evo Morales may seek re-election next year, an official said.

Constitutional court chair Ruddy Flores said the tribunal determined that Morales, the first indigenous president of South America's poorest nation, could run for what would be his third straight term.

South Africa's death toll in last month's rebel coup in the Central African Republic has risen to 14 after the death of a wounded soldier, the army said Tuesday.

"One of the South African National Defense Force members who was injured in Central African Republic, during what has become to be known as the battle of Bangui, has since passed on," said spokesman Brigadier General Xolani Mabanga.

Three members of the NATO-led International Security Assistance Force were killed by a roadside bomb in southern Afghanistan Tuesday, ISAF said in a statement.

A spokesman declined to give any further details about the attack, which came a day after a civilian cargo plane crashed at Bagram airfield north of Kabul, killing all seven crew members.

President Omar al-Bashir has pardoned six members of Sudan's powerful security service just days after they were jailed over a coup attempt last year, state-linked media said on Tuesday.

Several army officers convicted this month for the same plot have also been released under a presidential pardon.

Revelations that the CIA handed cash payments to Afghanistan's presidential office provoked criticism but little surprise from opposition groups and transparency campaigners in Kabul on Tuesday.

The New York Times reported on Monday that the U.S. Central Intelligence Agency had delivered tens of millions of dollars in suitcases and backpacks to President Hamid Karzai's office over the past decade.

President Barack Obama vowed Tuesday to renew a push to close the U.S. military prison in Guantanamo Bay, amid a growing hunger strike by inmates at the controversial jail.

Calling the prison a legal "no man's land," Obama told a White House news conference he did not want any inmates to die and urged Congress to help him find a long-term solution that would allow for prosecuting terror suspects while shuttering Guantanamo.

Six Islamic extremists admitted on Tuesday planning to attack a far-right rally in England with guns, swords and a nail bomb, in a plot that only failed because they turned up late.

Jewel Uddin, Omar Mohammed Khan, Mohammed Hasseen, Anzal Hussain, Mohammed Saud and Zohaib Ahmed admitted preparing an act of terrorism last year.

The European Court of Human Rights ruled Tuesday that Ukraine's detention of former Prime Minister Yulia Tymoshenko was unlawful, in a decision the opposition leader's camp saw as a key step towards her release.

Tymoshenko herself said she hoped the decision by the Strasbourg-based court would put paid to the "dirt and black lies" against her.

A Nigerian judge on Tuesday postponed his verdict against an alleged member of the Iranian Revolutionary Guards who is charged with an illegal arms shipment.

Azim Aghajani, who has been held in detention pending the verdict, was in court alongside his alleged Nigerian co-conspirator, Ali Abbas Jega.