Pakistani security forces killed 33 suspected fighters on Sunday in the Khyber Pass, the main land route used for military supply to Western forces occupying Afghanistan.
Based on official statements nearly 120 suspected insurgents have been killed in the past week, but independent casualty estimates are unavailable.
Truck convoys to U.S., NATO forces regularly come under attack in the region.
During Sunday's offensive, troops destroyed two compounds and demolished 17 houses claimed to belong to insurgents.
"Security forces destroyed two centres and killed 33 militants in the operation," a Frontier Corps spokesman said in a statement.
Last Mod: 07 Eylül 2009, 17:20