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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"You are one of the silence breakers and we all owe you a debt of gratitude."
Maximum temperature 11 C (52 F).