A suicide car bomb targeting a police station on Thursday killed five people and wounded 25 others in a restive northwestern Pakistani town, police said.

A police officer and four civilians died in the attack in Doaba town in Khyber-Pakhtunkhwa province, while part of the police station was demolished and at least 10 houses damaged, senior local police official Abdul Rashid said.

Guatemalan President Alvaro Colom said Tuesday his decision to divorce his wife so she can run for president is a "real sacrifice" for the good of the country.

"We are making a real sacrifice, and it will be a real divorce, with physical separation," he said in an interview with Mexico's Televisa.

Hillary Clinton said Tuesday she planned to stay on as secretary of state into U.S. President Barack Obama's second term, presuming he wins re-election, to help with the transition.

"I will stay until the beginning of the next term because I know it takes a while for people to get appointed and confirmed," Clinton told ABC News in an interview.

Afghanistan said Tuesday its forces would take over security in areas including the Helmand capital from NATO this summer, launching a transition as foreign troops plan an exit by the end of 2014.

Afghanistan will notably take "full security responsibility" for most of Kabul province, including the capital, and Lashkar Gah, the capital of the restive southern province of Helmand, President Hamid Karzai said.

Guatemalan President Alvaro Colom and his wife Sandra Torres de Colom have filed for divorce to avert a constitutional flap over her eligibility to run for the presidency, officials said Monday.

The divorce papers were filed March 11 in family court, according to Edwin Escobar, a spokesman for the country's Supreme Court.

Bolivian President Evo Morales called Monday for U.S. President Barack Obama's Nobel Peace Prize to be revoked, saying the U.S. leader's decision to launch a military attack on Libya showed he did not deserve the honor.

"Two years ago we heard that President Barack Obama had won the Nobel Peace Prize, but is he defending peace in the world now, or isn't he instead fomenting violence?" Morales told reporters, days after Obama ordered the bombing of Libya military targets as part of an U.N.-approved effort to protect civilians.

Taliban militants shot dead four tribesmen on Monday after accusing them of spying for the United States in Pakistan's lawless northwestern tribal belt, officials said.

Three bullet-riddled bodies were dumped on a roadside in Datta Khel village, 35 kilometers west of Miranshah, the main town in North Waziristan tribal district, local administration official Wahab Khan told Agence France Presse.

Workers were temporarily evacuated from part of the quake-hit Fukushima nuclear plant in northeast Japan Monday when smoke rose from one of the reactors, operator Tokyo Electric Power Co said.

At 3:55 pm (0655 GMT), a "light grey plume of smoke" rose from reactor number three, a TEPCO spokesman told reporters.

The death toll from a coal mine collapse in Pakistan has risen to 24 with another two dozen still missing, officials said Monday, fearing it will need a "miracle" to find any survivors.

"We have recovered 24 bodies -- 24 miners are still trapped inside," the secretary of mines and minerals for the insurgency-torn Baluchistan province, where the accident took place, told Agence France Presse.

The initial part of an international operation to enforce a no-fly zone over Libya "has been successful" and the government's offensive on Benghazi has been stopped, top U.S. military commander Michael Mullen said Sunday.

The initial part of an international operation to enforce a no-fly zone over Libya "has been successful," Mullen, chairman of the Joint Chiefs of Staff, told ABC's "This Week" program.