Britain Britain's Scotland Yard said it has received reports of "multiple explosions" across London, shortly after police said a blast rocked the city's underground, bringing the entire network to a standstill. Scotland Group of Eight leaders kicked off a long-awaited round of formal talks focusing on climate change and boosting aid to Africa, as US President George W. Bush said it was time to lay plans for the era beyond the UN's Kyoto Protocol climate pact which runs out in 2012. Scotland US President George W. Bush said he hoped all farm export subsidies would be eliminated through World Trade Organisation talks by 2010. Mideast Palestinian prime minister Ahmed Qorei was to defend his government's record in parliament amid mounting anger over the continuing security chaos in the West Bank and Gaza Strip. Afghanistan Numerous officials in Afghan President Hamid Karzai's government are implicated in war crimes that took place at the start of the country's bloody civil war in the early 1990s, Human Rights Watch said. US A judge dramatically jailed New York Times reporter Judith Miller for refusing to divulge the name of a source who blew the cover of an undercover CIA agent. Myanmar Myanmar's military government said it had released about 400 prisoners across the country but would not identify the freed inmates, many of whom were believed to be political detainees.