In this file photo taken on Monday, April, 21. 2014, security walk past a burnt out government secondary school in Chibok, where gunmen abducted more than 200 students, Chibok, Nigeria. Attacks by Islamic extremist group Boko Haram in northeastern Nigeria and neighboring countries have forced more than 1 million children out of school, heightening the risk they will be abused, abducted or recruited by armed groups, the United Nations children鈥檚 agency said Tuesday, Dec. 22, 2015. AP File Photo
KANO, Nigeria鈥擝oko Haram jihadists attacked a key city in northeast Nigeria on Sunday evening, residents told AFP, the second assault in days as Nigerian President Muhammadu Buhari鈥檚 deadline to eradicate the militants is set to expire.
The jihadists invaded Jiddari Polo, an area on the outskirts of the capital of northeastern Borno state, Maiduguri, at around 6:30 p.m. (1730 GMT), shooting guns and unleashing explosives.
鈥淲e had just finished evening prayer in the mosque when we began to hear the barrages of artillery fire and sound of gunfire,鈥� said local Shehu Mala.
鈥淎ll the residents in the area fled their homes to other parts of the city.鈥�
Nigeria鈥檚 military responded with artillery fire, forcing the attackers to retreat.
READ: 30 dead in Boko Haram attack on 3 Nigeria villages鈥攙igilante
Boko Haram fighters have made several attempts to retake Maiduguri鈥攖he birthplace of the jihadist movement鈥攕ince they were pushed out three years ago.
It was not immediately clear if there had been any casualties from the fighting.
鈥淲e have to wait until the morning to have a good picture of the aftermath of the clash, because it happened in the dark,鈥� said聽Babakura Kolo, a civilian vigilante assisting the military.
The attack comes just days before Buhari鈥檚 self-imposed deadline to stamp out the group expires on December 31, and in the same week that he said Nigeria has 鈥渢echnically鈥� defeated the jihadists.
Nigerian troops have won back territory from Boko Haram, but two attacks launched by the militants within the space of three days have called into question Buhari鈥檚 claim.
Attacking astride bicycles, Boko Haram invaded Kimba village in Borno state on Christmas Day evening, killing at least 14 residents and torching their homes.
READ: Islamists kill 14 in Christmas Day attack in Nigeria鈥搗igilantes
The insurgents have also carried out deadly cross-border raids in neighboring Chad, Cameroon and Niger, fueling fears that the hardline Muslim movement is growing into a regional jihadist threat.