Mr Zulum described the incident as regrettable
The police command in Borno says an improvised explosive device was detonated, killing a man and wounding 11 others in Maiduguri.
“Meanwhile, the residual of the IED was collected for further analysis and investigation,” he said.
Mr Shuaibu said there was a need to do more to prevent the terrorist IED from hindering troops’ movement.
Mali is struggling to stem an Islamist insurgency that took root after a 2012 coup and has since spread from the West African country’s arid north.
Police said it neutralised two of the gunmen while it was still in pursuit of other hoodlums.
