A government spokesman has said Abuja residents should remain calm tonight, saying that security agencies are now "handling the situation."
The latest explosion in Nigeria's capital, Abuja, killed 21 and injured 17 people in a shopping complex.
Spokesman Mike Omeri told AP: "Every step is being taken by the government to check the activities of insurgents in the country."
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Sir Vince Cable, Caroline Lucas, Tony Robinson and Gina Miller led a demonstration on the second anniversary of the EU referendum.
Turning hot over the next few days. High pollen and UV levels.
The march took place on the second anniversary of the EU referendum.