Militants attacked on security check-posts in Hangu meanwhile, 14 persons were killed and many others wounded in security forces retaliatory firing, a private TV reported Monday. According to sources, militants launched attack on security forces check-posts located in Tora Dari area late Sunday night, which security forces retaliated killing at least 14 militants and injuring many others, meanwhile in process, one security men martyred and four other sustained injuries. Both side used heavy artillery in skirmish. Meanwhile, after clashes security forces heavily shelled the suspected hideouts of extremists destroying tow of them.