At least 18 people have been killed and 30 injured in a series of deadly blasts in Nigeria thought to have been carried out by female suicide bombers.
One of the bombings is reported to have killed six people and injured others at a wedding ceremony on Saturday, in the northeastern Borno state.
The state’s emergency management agency said the co-ordinated attacks targeted a wedding, the victims’ subsequent funeral and a hospital in the town of Gwoza, close to the border of Cameroon.
President Bola Tinubu condemned the attacks calling them “desperate acts of terror”.
He vowed stern action against those responsible for the killings in the town of Gwoza and insisted that the incident had not undermined recent gains made against jihadists.
“The president declares that the purveyors of wanton violence shall have a certain encounter with justice, and that these cowardly attacks are only but an isolated episode as his government will not allow the nation to slither into an era of fear, tears, sorrow, and blood,” a statement issued by his spokesperson on Facebook said.
No-one has admitted carrying out the attacks, but the Nigeria-centred Islamic State West Africa Province (ISWAP) insurgents have previously claimed deadly bombings in Borno.
Authorities said 18 deaths had been confirmed on Saturday, a toll that included children, adults and pregnant women.
Some local media have reported a much higher toll – Nigeria’s Vanguard and This Day newspapers said at least 30 had been killed in the blasts.
The degree of injuries ranges from abdominal ruptures to skull and limb fractures.
A curfew has been imposed by the military.
Amnesty International Nigeria called for an end to assaults on civilians in Borno.
“These deplorable attacks that took place at a time people were mourning demonstrate complete disregard for human life,” it said.
The US Mission in Nigeria also described the attack as “horrific”.
“These reprehensible acts of violence show a cruel and heartless disregard for human life…these abhorrent attacks are a stark reminder of the ongoing threat posed by terrorism in the region.”
In the last four months, attackers have twice targeted people through suicide and improvised explosive devices in Borno state.
Borno state has been at the centre of a 15-year insurgency by Boko Haram Islamist militants, which has displaced more than two million people and killed more than 40,000.
Boko Haram gained international notoriety in April 2014 when it kidnapped more than 270 schoolgirls from the town of Chibok, also in Borno state.
Shortly after the kidnapping, the group carried out an attack in June and used their first female suicide bomber.
This was only three years after it deployed its first male suicide bomber.
Since then, there have been speculations that some of the female suicide bombers may be the missing Chibok school girls.
A study found that Boko Haram has utilised more women as suicide bombers than any other group in history.
Recent numbers suggest that over half of all suicide bombers used by Boko Haram are female.
Many suggest that their mode of dressing (usually in hijab – a covering from the head to the feet) offers adequate means for hiding explosives.
Gwoza was seized by Boko Haram in 2014, and taken back by the Nigerian forces in 2015 – but the group has since continued to carry out attacks and kidnappings near the town.
The Gwoza suicide attacks has reignited suspicions that jihadist groups may be trying to reinvent themselves and show that they still have the capacity to do damage.
Last November, 20 people were killed by Boko Haram insurgents while returning from a funeral service in neighbouring Yobe state.
The attack happened a day after militants killed 17 people in a raid on Gurokayeya village, after villagers refused to pay a so-called harvest tax, police said.
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