Islamabad (AP) - The Pakistani Taliban claimed responsibility Monday for a pre-dawn attack on tankers carrying fuel to
The attack came on a supply line that has been stalled because of a temporary border closing imposed by Pakistani authorities after a NATO helicopter attack killed three
It was the third such attack since Friday, and seemed certain to raise the stakes in the closure, which has exacerbated tensions between
About a dozen militants attacked the tankers as they were parked at a truck stop outside
Four people were killed and another seven injured, and some 20 trucks were partially or totally destroyed, authorities said.
The Pakistani Taliban, which last week threatened more attacks on the supply lines, claimed responsibility in a telephone call to an Associated Press reporter.
Spokesman Azam Tariq said a new wing of the group had been created to strike the convoys and that the attacks "would continue until the supplies are completely stopped."
Trucks moving supplies from the port city of
"This entire thing is very vulnerable for such attacks," he said.
The trucks were en route or waiting to travel to the Torkham border crossing along the fabled Khyber Pass, which is used to bring fuel, military vehicles, spare parts, clothing and other non-lethal supplies for foreign troops in
While NATO and the
On Friday, a day after the closure of the Khyber Pass route to NATO and
The Pakistani Taliban are the country's largest militant group. Based in the northwest, it has claimed responsibility for scores of suicide bombings against Pakistani government and security targets, as well as Western ones. The group has ties with the Taliban movement in
Striking the supply line now gains the group more media attention than normal and makes the mission in
While attacks on convoys in
Some attacks are believed to be the work of criminals, who can sell much of the vehicles, clothes and other goods they carry. Officials have alleged truck owners may be behind some of the incidents, perhaps to claim insurance fraudulently.