ISLAMABAD, Sept. 15 (Xinhua) -- At least six Pakistani security personnel were injured in a bomb explosion along Pakistan-Afghanistan border in Pakistan's northwest tribal area of Khyber Agency, local media reported on Friday.
The blast happened near Torkham border crossing at Pakistan side of the border, Dunya News said.
The border was closed for all kinds of transport, following the attack.
Security forces cordoned off the area for investigation, but the nature of the attack has not been determined yet.
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