The 10-minute video shows an army officer casually questioning four men in a building. The officer then steps aside and soldiers move in, punching, kicking and whipping the suspects, who scream in pain and writhe on the ground.
The video has been posted on the Facebook and YouTube sites.
Army spokesman Maj. Gen. Athar Abbas said the army was investigating the alleged abuse, but declined further comment Friday.
The independent Human Rights Commission of Pakistan said in an August report it had received ‘credible reports of numerous extrajudicial killings and reprisals carried out by security forces’ in the Swat Valley since the area was retaken from Taliban control in July.