At least six security personnel, guarding a polio team, were wounded today in a blast in the restive Khyber tribal region in northwest Pakistan.
The blast occurred near Jamrud area of Khyber Agency.
According to reports, polio vaccination workers were carrying out their work in Jamrud tehsil when they were attacked.
Six Khasadar force men were wounded in the attack that also destroyed their vehicle.
The condition of three injured is said to be critical.
The area has been cordoned off and a search operation is underway.
