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2 engineers detained in Bangla building collapse

Julhas Alam and Farid Hossain, Associated Press

A Bangladeshi rescuer works to break through metal and concrete with a drill at the site of a building that collapsed Wednesday in Savar, near Dhaka, Bangladesh, Friday, April 26, 2013. More than two days after their factory collapsed on them, at least some garment workers were still alive in the corpse-littered debris Friday, pinned beneath tons of mangled metal and concrete. The death toll topped 300 on Friday and it remained unclear what the final grim number would be, as some victims are being pulled from the rubble alive. (AP Photo/A.M. Ahad)

SAVAR, Bangladesh (AP) -- Police say they have detained for questioning two engineers involved in approving the design of an 8-story building with garment factories that collapsed this week, killing at least 324 people.

Police said the two men, Imtemam Hossain and Alam Ali, were detained on Saturday. They did not say what role they played in approving the design of the building, which had three floors added to it illegally. They spoke on condition of anonymity because they are not authorized to speak to the media. Two owners of one of the several garment factories in the building were also arrested, and the wife of the building's owner detained in an attempt to pressure her husband to surrender to the police.

Military spokesman Shahinul Islam said 324 bodies have been recovered and 2,419 survivors accounted for since the collapse of the building on Wednesday morning.