Pakistani soldiers and police officers guard the site of an apparent suicide bombing in Mingora, capital of Pakistan's troubled Swat valley on Thursday, July 15, 2010. The apparent suicide bombing near a bus terminal in Pakistan's Swat Valley killed three people and wounded at least 35 people Thursday, officials said, a sign that Islamist militants remain active in the northwest region despite a massive army operation against them.  (AP Photo/Naveed Ali)

Photo by: Naveed Ali

Pakistani soldiers and police officers guard the site of an apparent suicide bombing in Mingora, capital of Pakistan's troubled Swat valley on Thursday, July 15, 2010. The apparent suicide bombing near a bus terminal in Pakistan's Swat Valley killed three people and wounded at least 35 people Thursday, officials said, a sign that Islamist militants remain active in the northwest region despite a massive army operation against them. (AP Photo/Naveed Ali)