|Bodies of people in Baghdad morgue, allegedly tortured and killed by Iraqi security forces|
The men were among a group of 13 people arrested Sunday by police commandos during a raid in northern Baghdad.
The head of a Sunni group - called Waqf - Adnan al-Dulaimi, says 11 bodies were found dumped on a road in the Iraqi capital. He says the bodies, including one of a Sunni cleric, showed signs of torture.
Some Sunni leaders have accused the Shi'ite-led government of targeting their community.
Iraqi officials also are probing reports that 10 people died of suffocation after being detained in a police van this week.
Some information for this report provided by AFP and AP.