Five people set themselves on fire in western India, leaving one man dead as they protested official plans to raze their home in a drive to remove illegal structures, police said on Wednesday.

The five people, including three women, belonged to the same family and turned up at a city government office in the western state of Gujarat carrying kerosene-filled containers around noon on Wednesday, local police said.

A moderate earthquake shook buildings in the Philippine capital Manila on Thursday, seismologists said, although there were no immediate reports of damage or casualties according to the government.

The quake struck in the rural north of the country, Philippine Institute of Volcanology and Seismology chief Renato Solidum told Agence France Presse, describing it as "moderate" and adding he did not expect damage in the capital.

Argentina's government declared three days of national mourning from Wednesday after massive flooding killed 54 people in Buenos Aires and the nearby university city of La Plata.

At least 46 people died as flood waters hit La Plata about 60 kilometers (40 miles) south of the capital, following historic rains that swept through the streets, submerging cars as people cowered on rooftops. Most of the victims were found after a second day of record rainfall hit the area.

African heads of state decided Wednesday that it was impossible to recognize rebel chief Michel Djotodia as president of the Central African Republic (CAR), and want the country to elect a transitional president, Chad's leader said at the end of a summit called to discuss the political crisis.

"As things stand now, it is impossible to recognize a self-proclaimed president," Chadian President Idriss Deby told journalists. "A committee selected by national figures must lead the transition. This body will have the executive role and must vote for a transitional president" who would serve for no more than 18 months.

Spain's royal palace said it was "surprised" by a judge's decision to name King Juan Carlos' daughter Princess Cristina as a suspect in a corruption case Wednesday, a move which dealt a huge blow to the prestige of the monarchy.

While the royal place has the "maximum respect" for the decision, it "wants to express its surprise for the change in position" by the investigating judge who in March 2012 declined to name the princess as a suspect in the case, a spokesman for the royal palace told Agence France Presse.

North Korea's threats and recent actions represent a "real and clear danger" to the United States as well as its allies South Korea and Japan, U.S. Defense Secretary Chuck Hagel said Wednesday.

"They have nuclear capacity now, they have missile delivery capacity now," Hagel said after giving a major strategy speech at the National Defense University, calling Pyongyang's "bellicose dangerous rhetoric" problematic.

A Taliban office in Doha could "facilitate" talks with the militants, Afghan President Hamid Karzai said in an interview with Qatar-based al-Jazeera television broadcast on Wednesday.

Karzai, who held talks Sunday with the emir of Qatar to discuss opening a Taliban office in the Gulf state, said he was keen on working with the Taliban to help bring about peace in Afghanistan before NATO ends combat operations there next year.

At least 25 people died in flooding in the Argentine city of La Plata as torrential rains fell, the regional governor said Wednesday.

The deaths raised to 33 the number of people killed this week following record heavy rain in Argentina.

EU foreign policy chief Catherine Ashton said Wednesday she was cautiously optimistic over the outcome of talks this week between Iran and world powers on Tehran's nuclear drive.

Officials from the so-called P5+1 grouping meet negotiators from Iran in Kazakhstan on Friday, hoping for a response to a revised offer that would ease some sanctions in return for concessions over its uranium enrichment activities.

Uganda has suspended its hunt for Lord's Resistance Army chief Joseph Kony in Central African Republic after Seleka rebels took control of the country, an army spokesman said Wednesday.

"We have temporarily suspended operations against the LRA until further notice," army spokesman Felix Kulayigye said.