Armed gunmen attacked a civilian convoy including a passenger bus in central Mozambique early Saturday, killing one and wounding at least 10, a witness and hospital worker said.

It was the second attack this week after the former rebel movement Renamo on Monday declared that a 1992 peace deal was over after government forces took over their military base in central Mozambique's Gorongosa mountains.

Hundreds of vigilantes armed with machetes and firearms attacked the town of Bouar in western Central African Republic on Saturday, forcing civilians to flee the area, a military source and residents said.

Self-defense groups called "Anti-balakas, equipped with weapons of war and machetes surrounded the town early this morning and shots from light and heavy firearms could be heard in several areas of Bouar," the military source said.

Doctors claimed on Saturday that the blond hair and fair skin of Greece's mystery girl Maria and several other children of her Bulgarian Roma parents, is explained by the genetic condition of albinism.

Sofia medical academy professor Draga Toncheva told Agence France Presse: "Albinism is due to a genetic disorder characterized by lack of skin, eye and hair pigmentation. The children that I saw on television carry the signs of this rare condition,"

Social Democrats edged out a new populist party to win early elections in the Czech Republic on Saturday as voters angered by years of right-wing graft and austerity veered left, nearly full results showed.

The Social Democrats (CSSD) scored 20.56 percent, the billionaire-led populist newcomer ANO party surprised with 18.68 percent while the Communists lagged behind with 14.99 percent, with 98.89 percent of votes counted.

Turkey said Saturday it was open to new bids in its plan to acquire its first long-range anti-missile system, should its controversial negotiations with China come to nothing.

"It is not a finalized deal yet. If U.S. and European companies make us better offers, we will continue to talk with them," said Foreign Minister Ahmet Davutoglu, who was quoted by Turkish newspapers.

Russia will expand its airbase in Kyrgyzstan at the end of the year ahead of the shutdown of a US base in the country, a senior commander said Saturday.

The number of planes at Russia's Kant airbase in the country "will at least double by this December," Viktor Sevastyanov, a senior Russian air force commander, said at a ceremony marking the base's 10-year anniversary.

Police fired tear gas and arrested protesters in Sao Paulo late Friday when a march demanding free public transportation for students turned violent.

A group of vandals, some wearing black hoods, smashed bank ATM machines, set a public bus on fire, and destroyed subway and bus ticket machines.

The Russian parliament has approved a bill toughening sanctions in terrorism cases ahead of the Winter Olympic Games next February, including a controversial measure that makes families of terrorists financially accountable for the damage.

The bill makes it possible for officials to investigate the property of relatives of "a person who has committed a terrorist act" and make such people financially accountable for damage done by this person, according to parliament documents.

An Afghan soldier on Saturday opened fire on his NATO partners in Kabul, wounding a NATO soldier in the latest in a series of "insider" attacks on alliance forces, officials said.

Attacks in which Afghan forces turn their guns on their international partners have killed scores of NATO-led troops, breeding mistrust and undermining efforts to train local forces before NATO combat troops withdraw next year.

German spy chiefs will travel to the United States next week to demand explanations following allegations that U.S. intelligence has been tapping Chancellor Angela Merkel's mobile phone.

"High-ranking government representatives will go rapidly to the United States in order to push forward discussions with the White House and the NSA on the allegations raised recently," said Georg Streiter, the chancellor's deputy spokesman, on Friday.