At least 24 militants were killed on Sunday in airstrikes by the Pakistan armed forces conducted in the country's Khyber Agency and North Waziristan tribal regions, media reports said.Fourteen militants were killed in an air assault in Tirah Valley, Geo News reported citing sources.Ten other militants were killed in airstrikes in North Waziristan's Shawal Gurez area, it said.According to sources, six militants were injured in the air assault.Several militant hideouts were also destroyed, the report said.