Three Pakistani soldiers were killed and four others sustained injuries in an attack by militants in a restive tribal district along Afghan border in north west Pakistan.
A group of unidentified militants targeted the troops during a search operation in South Waziristan district in Khyber Pakhtunkhwa province on Sunday, the army said in a statement.
Three soldiers were killed and four others sustained injuries after"terrorists fire-raid at security forces blocking position"during the search operation, its aid on Sunday.
No group has claimed responsibility,although Pakistani Taliban have been blamed for such previous violence in the region,where militants have a presence.
South Waziristan had served as a base for al-Qaeda and Taliban militants until recent years when Pakistan claimed that it has destroyed all hide outs ofterroristsinthenorthwesterntribalbelt.
According to Pakistan Army, militants hiding across the border occasionally enter in to the countryand target the security forces in the region.
According to a recently released UN report,over6,000 Pakistani insurgents are hiding in Afghanistan,most belonging to the outlawed Pakistani Taliban group,which often attacks Pakistani military and civilian targets.
