Some protesters in the Karmo area of the Federal Capital Territory on Monday threatened to burn down a police station over the killing of one Solomon Eze, a businessman.
A policeman was said to have shot Eze to death on Sunday evening.
Anjuguri Manzah, spokesman of the FCT Police Police Command, said the officer has been identified and arrested.
He said the police would be transparent in investigating the matter and that their findings would be made public.
“The policeman identified to have shot the deceased has been arrested and he is currently in detention,” the police spokesman said in a statement.
“While commiserating with the family and friends of the deceased, the commissioner of police wishes to assure members of the public that the Command will be transparent in its investigation and the findings will be made public.”