Islamabad, July 27 - At least 31 militants were killed and 28 others, including a Taliban commander, were arrested in separate operations in northwestern Pakistan, according to a media report Monday.

According to the Pakistan Army's Inter Service Public Relations (ISPR), 11 militants were killed and 28 others, including the wanted commander identified as Kabir, were arrested during a search operation in Swat Valley in North West Frontier Province (NWFP), Geo TV reported.

Security forces also recovered a huge quantity of weapons and looted items hidden at a college near Minorga, the ISPR said, without giving details of the recovery.

Several hideouts have also been destroyed in the region, which has been witnessing a major anti-Taliban offensive by the Pakistan Army for over two months.