BAQUBA, Iraq -- The top U.S. general in Iraq said troops discovered a militant medical facility next to a torture complex that was found last week near the city of Muqdadiya.

Gen. David Petraeus said the medical facility was part of an al-Qaida in Iraq complex that also included a large weapons cache, CNN reported Wednesday. Mass graves containing 26 bodies and bloodstained torture rooms were discovered at the complex last week.

The Multinational Forces in Iraq announced earlier Wednesday that two suspected militants were killed by soldiers with the Multinational Division North.

The statement said, "MND-North Soldiers killed two suspected extremists and detained four more in an intelligence-driven raid in Baquba," KUNA, the Kuwait news agency, reported Wednesday.

"MND-N Soldiers confirmed one of the suspected extremists killed was a member of a Concerned Local Citizens group," the name given by the U.S. Army to al-Sahwa fighters, the statement said. "The CLC movement has been an effective part of the strategy to improve security throughout Iraq and in MND-N. Coalition Forces and Iraqi Security Forces screen and monitor members to ensure they are not involved in extremist activity."

Meanwhile, Iraqi police discovered a spy plane hidden in a heavy arms depot in the southern city of Basra. Police said the plane was discovered Tuesday alongside a large number of heavy weapons, explosives, documents and videos.

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