Abuja police
Nigeria racing to add capacity to provincial airport before Abuja closure
International airlines that fly into Abuja have already refused to use Kaduna, a provincial city airport, because of security worries.
Africa’s largest economy is mired in its first recession for 25 years as low oil prices have hammered public finances and foreign reserves.
Police said protesters were free to march in Abuja were they had been previously stopped.
Gunmen attacked a police station in Abuja, killing two policemen and allowing 30 detainees to escape.