The unrest is the worst street violence since Nigeria's return to civilian rule in 1999 and the most serious political crisis confronting President Muhammadu Buhari, a former head of a military regime who came to power at the ballot box in 2015.
There has been no official death toll from the incident on Tuesday evening in which witnesses said security forces opened fire on a crowd of over 1,000 people protesting police brutality.
The gang opened fire on the soldiers who were on foot in a forested part of the Jibia district in Katsina state, the sources said, speaking on condition of anonymity.
There was no immediate claim of responsibility for the attack, though it comes not long after a splinter faction of Boko Haram warned civilians that they could be targeted if they helped humanitarian groups or the military.
The coronavirus disease has infected at least 2.3 million people and killed more than 150,000 globally. Here are the updates for April 18:
Abba Kyari is the highest-profile person in Nigeria to be killed by a virus that has caused 493 confirmed infections in the country and 17 deaths.
More than 30,000 civilians who fled their homes in the wake of attacks by the Boko Haram have been taking refuge at the camp close to the border with Cameroon since 2015.
The memo from Army headquarters outlines plans to protect government food storage from looters as Africa’s most populous nation braces for the illness to spread further in the country.
President Muhammadu Buhari unveils record budget plan based on projected price for crude oil of $57 per barrel and output of 2.18 million barrels a day in Africa's leading producer.
President Muhammadu Buhari met his South African counterpart Cyril Ramaphosa and stressed the importance of avoiding a repeat of attacks against foreigners that occurred in the country.
Horror stories are emerging about life in a two-storey house in northern city of Kaduna as authorities try to find families of some 400 victims, men and boys, who often spent years at the site.
The roots of this violence and anti-immigrant sentiments run deep and a mélange of factors collide, dissolve and divide, often crisscrossing social, economic and political lines.
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