A task force team conducted the raid at Abdus Sattar's house at Malotinagar in Bogra town at around 8:00am with the assistance from Bogra police and seized a few documents.

They also raided Sattar's village home at Aliarhat under Shibganj upazila in Bogra at noon.

Sources said the task force started investigation about the corruption allegations against Firoz, his wife and his brother Ashik Mahmud, who have already left the country.

Firoz was an influential figure in Hawa Bhaban, used to be dubbed as the alternative power centre of the immediate past government.

A number of corruption allegations were brought against him.

Investigators have found that his wealth does not correspond with his income.

Police have already submitted charge sheets implicating him in an extortion case.