Iraq US and Iraqi troops killed 15 rebels as they chased down insurgents in the northern city of Mosul, while a large blast rocked central Baghdad and more than a dozen Iraqis were killed in other parts of the embattled country. Iraq Hundreds of boxes of voter registration forms were reduced to ash by Iraqi rebels in the city of Mosul in a strike against upcoming elections that are seen as a major test of the shattered country's recovery. Iraq The United States plans to extend the tours of duty of more troops in Iraq to increase force levels there through the elections, which are planned for January 27, a top US general said. Chile Two people received gunshot wounds in the Chilean capital early Saturday as anti-riot police clashed with demonstrators protesting an Asia-Pacific summit and star participant US President George W. Bush. Africa Fifteen African presidents and UN chief Kofi Annan signed a common declaration pledging to promote peace and security in the continent's volatile Great Lakes region. Germany Group of 20 finance leaders of the most powerful rich and emerging economies began discussions here on a range of financial issues, with the weak dollar officially off the agenda but expected to dominate the meeting. ICoast South African President Thabo Mbeki was to hold separate talks in Pretoria with Ivory Coast Prime Minister Seydou Diarra and the head of the country's rebel New Forces, Guillaume Soro, the presidency said. Mideast Egyptian Foreign Minister Ahmed Abul Gheit and intelligence chief Omar Suleiman have cancelled their scheduled visit to Israel next week, the foreign ministry said, amid a crisis over the accidental killing of three Egyptian policemen by an Israeli tank shell. Myanmar Myanmar's junta has freed a top dissident as part of a release of 4,000 prisoners, an opposition spokesman said as analysts questioned the gesture's potential impact on democratic reform in the military-ruled state. India Prime Minister Manmohan Singh arrived in India's troubled northeast armed with a financial package that could match one he offered this week to rebuild insurgency-ravaged Kashmir, officials said.