At least 33 militants were killed by security forces and pro-government militia in tribal areas in northwest Pakistan on Thursday, local media reported.

According to TV Express, at least six militants were killed in a clash with local pro-government tribes in Kurram agency, one of the seven tribal regions bordering Afghanistan.

After the clash which also killed two militia, security forces launched offensive on militants in Kurram agency and neighboring Orakzai agency.

Security forces backed by gunship helicopters bombarded militants hideouts and killed at least 27 insurgents.

Security forces have intensified clear operation in tribal areas in the last two months.

On April 7 at least 50 militants were killed in Mohmand Agency. On April 23, at least 20 militants lost their lives in lower Dir.