Traders at the complex have been protesting against the planned demolition.
A statement by Mukaila Sanusi, the ministry’s spokesman, said the commissioner sympathised with those affected by the collapse.
The suspect, Yusuf Ibrahim, denied the allegation, claiming they had not sold land to anyone in the area.
Mr Ganduje also said he had petitioned the police to address the looting and vandalisation that trailed the demolition.
FCTA removed illegal structures built on flood plains and under high-tension wires at the Gishiri community in the Katempe district.
At 310 Close, he ordered the demolition of the two-storey building because it was an illegal structure without approval.
The officers threatened to seize The Gazette reporter’s phone at the scene.
“Somewhere along the line, the legislative arm, which occupies the largest complex, has no provision for the residences of the presiding or principal officers…”
The federal government will continue demolishing illegal structures in Mpape, says the Federal Capital Territory Administration (FCTA).
Mr Attah said that moving the bulldozers to Mpape for the clean- up was in response to the cry of the residents.
