Britain A wave of deadly explosions sprayed carnage in the heart of London, killing 37 people, injuring some 700 others and reinforcing the spectre of global terrorism in a city celebrating its Olympic Games victory and as G8 leaders met in Scotland. Britain Blood-smattered and crying, thousands of people staggered into the streets of London after at a wave of explosions on tube trains and a bus that left at least two dead and 150 seriously injured. Britain A group calling itself the Organisation of Al-Qaeda Jihad in Europe claimed the attacks in London and threatened similar strikes in Italy, Denmark and other "Crusader" states with troops in Iraq and Afghanistan. Britain The Group of Eight and the heads of five major developing countries spoke with a single voice to denounce a terrorist attack on London, branding it an assault on civilisation that would not derail their summit here. Germany Leaders from around the world expressed shock and anger over the deadly blasts in the heart of London that killed at least 37 people and determination to crush the terrorist threat. US The United States raised its terror alert for mass transit to "high" and sent machine gun-toting police onto subway systems after deadly bomb blasts ripped through the London rush hour. Iraq Egypt's kidnapped envoy to Iraq was killed by his Al-Qaeda-linked captors, the Egyptian presidency said, as Iraqi President Jalal Talabani described foreign militants linked to the insurgency as "a plague" on his country. 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 in a report. Philippines Philippine President Gloria Arroyo, facing a political crisis over allegations of vote fraud, said she had asked her cabinet members to step down but would not herself resign. Mideast Palestinian prime minister Ahmed Qorei incited mounting anger from MPs for failing to address continuing security chaos during a defence of his government's record in parliament.