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Indians celebrate upon hearing the news of India executing Mohammed Ajmal Kasab, the lone surviving gunman from the 2008 terror attacks, in Ahmadabad, India, Wednesday, Nov. 21, 2012. Kasab, a Pakistani citizen, was one of 10 gunmen who rampaged through the streets of India's financial capital for three days in November 2008, killing 166 people. Kasab was hung in secrecy at 7:30 a.m. Wednesday at a jail in Pune, a city near Mumbai, after Indian President Pranab Mukherjee rejected his plea for mercy. (AP Photo/Ajit Solanki)

Mumbai attack gunman executed

India executed the lone surviving gunman from the 2008 Mumbai

terror attack early Wednesday, four years after Pakistani gunmen blazed

through India's financial capital, killing 166 people and throwing

relations between the nuclear-armed neighbors into a tailspin.