At least 29 militants were killed during military operations conducted by Afghan security forces in 17 of the country's 34 provinces, the defence ministry said on Friday.About 40 militants were wounded and five suspected militants were detained in the raids, Xinhua news agency reported."The Afghan army launched the raids in close coordination with police and personnel of national intelligence agency. The joint forces also seized weapons and ammunition besides defusing several landmines," the ministry said, adding that the security forces also confiscated two vehicles and eight motorbikes.