G8 Leaders of the world's eight richest and most powerful nations converge on a heavily-guarded luxury Scottish golf resort, facing the daunting twin challenges of pulling Africa out of dire poverty and slamming the brakes on global warming. G8 Dozens of masked protesters, some armed with iron bars, went on the rampage in central Scotland, just hours before the start of the Group of Eight summit of rich nations, police said. Denmark US President George W. Bush told reporters near Copenhagen before heading to the Gleneagles summit that he recognized that human activity contributes to climate change. Singapore The 2012 Olympic Games race entered its final hours in Singapore with the five candidate cities making impassioned closing presentations. EU British Foreign Secretary Jack Straw said that the coalition forces in Iraq would leave the country "immediately" if asked by the Iraqi government and that he had no problems "in principle" with UN forces operating there. India Indian security forces were on high alert at religious shrines and key installations across the country, a day after an attack on a holy site sacred to both Hindus and Muslims. India Tibetan exiles braving pouring rain in the northern Indian hilltop town of Dharamsala turned out in their hundreds to celebrate the 70th birthday of their spiritual leader the Dalai Lama. China China's 2005 global trade surplus is forecast to surpass 70 billion dollars, up from 32 billion dollars last year, as exports continue to increase and imports slow, the state press reported. Philippines Philippines military intelligence officials will appear before an inquiry to shed light on a bugging scandal that has rocked Gloria Arroyo's presidency. Australia A German-born Australian resident who spent almost a year behind bars in an immigration department bungle will seek compensation and an apology from the government, her legal guardian said.