Washington- Commander of the Central Command, General Lloyd J Austin, in a testimony before the House Armed Services Committee in Washington, acknowledged the effectiveness of the ongoing Zarb-e -Azb operation, in clearing militant strongholds in North Waziristan and other tribal areas.

He also expressed support for stronger bilateral cooperation between Pakistan and Afghanistan, and noted that Pakistan-India tensions threatened regional security.

Appearing in the same hearing, Under Secretary of Defense Christine Wormuth said the United States would continue to work with Pakistan, to address existing and emerging threats in the region.