At least 50 militant were killed and dozens other wounded in fresh aerial strikes here on Sunday. According to sources, helicopter gunships and jet planes pounded militant dens in Upper Orakzai areas of Khadizai and Mamozai, killing 50 fighters and injuring 20 others. As a result of the shelling, a training facility and six hideouts being used by Taliban militants were destroyed. So far more than 900 militants were killed in Orakzai operation started by security forces some two months back.