A roadside bomb ripped through a car in eastern Afghanistan on Sunday, killing 12 civilians, as hundreds of people protested angrily in Kabul over the deaths of nine children in a NATO air raid.

The Taliban-style home-made device struck the car in the province of Paktika, killing five children, two women and five men, the provincial administration said in a statement.

A truck and a bus collided in the southern state of Santa Catarina Saturday, killing at least 22 people as Brazil celebrated Carnival, Folha de Sao Paulo reported.

Police told the daily the bus was carrying 47 passengers when it struck a truck near the town of Descanso, 690 kilometers west of the state capital of Florianopolis near Brazil's border with Argentina.

At least six crew members, including two citizens of Myanmar, died when a plane they were testing crashed in central Russia on Saturday, Russian news agencies reported.

Six crew members died when the AN-148 plane crashed and burst into flames on Saturday morning around 160 kilometers east of the city of Belgorod, the emergency ministry said in a statement, citing preliminary data.

A bomb attack on a mosque in militant-infested northwest Pakistan killed at least nine people and wounded around 30 more as it ripped through Friday prayers, police and medics said.

Hundreds of people were coming out of the mosque when the blast occurred, police said, adding that the bomb had been planted inside the building near the town of Nowshera.

Fifty people have been killed in Ivory Coast violence over the past week, including 26 in an Abidjan district that has witnessed fierce clashes, the U.N. mission said here Thursday.

"Fifty people have been killed in a week," a U.N. mission official told Agence France Presse of bloodshed in violence since mid-December linked to a dispute over the results of the November presidential election.

German federal prosecutors said Thursday they suspected an "Islamist motivation" was behind the fatal shooting of two U.S. airmen on a military bus at Frankfurt airport.

"In view of the circumstances, there is a suspicion that this was an act with Islamist motivation," prosecutors said, as police questioned a 21-year-old suspect of Kosovan origin arrested after Wednesday's attack.

Turkish police on Thursday raided the homes of several people, including journalists and a former intelligence officer, as part of a crackdown on an alleged secularist network accused of conspiring to topple the Islamic-rooted government.

The raids come two weeks after a court jailed three journalists of a dissident website Oda TV in the case. Critics say press freedom is under attack in the country and the United States has expressed concern over media freedom. But Prime Minister Recep Tayyip Erdogan has denied any government attempt to silence journalists.

A suicide car bomb targeting police killed at least nine people and wounded 31 others in a troubled northwestern Pakistani town on Thursday, police said.

"The bomber ... blew himself up when a police patrol went close to the car for a security check in Hangu town," senior local police official Abdul Rasheed told Agence France Presse.

Moammar Gadhafi and key aides will be probed over allegations they committed crimes against humanity while fending off the uprising in Libya, the International Criminal Court's prosecutor said Thursday.

"We have identified some individuals with de facto or formal authority, who have authority over the security forces," that have clamped down on a rebellion that started on February 15, Luis Moreno-Ocampo told journalists in The Hague.

A lone gunman killed two U.S. airmen Wednesday and seriously injured two more in an attack on their bus at Frankfurt airport in Germany, local authorities and the U.S. military said.

"Two airmen have been killed and two were wounded during a shooting incident today at Frankfurt International Airport," the U.S. Air Forces in Europe (USAFE) said in a statement.