North Wazirsitan : An American drone strike kills at least 12 people have been killed in two separate incidnets in Pakistan.
US drone fired missiles in the semi-autonomous tribal areas in north-western Pakistan, near the border with Afghanistan.
At least six militiamen were killed in a second air strike in South Waziristan few hours later.
The Drone attack came when United States Special Envoy to Afghanistan and Pakistan was visiting the country.
