A car bomb mistakenly went off in a militant compound north of Baghdad on Monday, killing 21 insurgents including a suicide bomber, an anti-Qaeda militiaman and a police officer said.
The group were filming a propaganda video of the would-be suicide attacker when a technical glitch set off the car bomb in the Jilam area south of Samarra, according to Majeed Ali, the head of the Sahwa militia force in the city, and a police officer.
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