Massive hunt for London bombers Many were left in a state of shock A massive intelligence investigation is under way to find those responsible for the bomb attacks in London which killed at least 37 and left 700 injured.Foreign Secretary Jack Straw said Thursday's attacks bore all the hallmarks of the al-Qaeda network. The Queen and Prince Charles will visit casualties in hospital while Tony Blair prepares for the G8 summit's last day. Transport operators hope to run a near normal service on the Tube on most lines on Friday. But the Circle and Hammersmith and City lines will...