MAIDUGURI, Nigeria (AP) — Cellphone service was cut off Thursday in areas of northeast Nigeria as jet fighters streaked through the sky and more soldiers were deployed to fight Islamic extremists waging a brutal insurgency.
Witnesses saw low-flying Nigerian jet fighters over Yola, the capital of Adamawa state, which President Goodluck Jonathan placed under emergency rule on Tuesday along with Borno and Yobe states. But soldiers have met “no resistance” yet from extremists who have taken over villages and small towns in this region approaching the Sahara Desert, a military spokesman said.
An Associated Press journalist in Maiduguri, the capital of Borno state, has found cellphone services unavailable since early Thursday morning on all of the country’s major mobile phone carriers. Mobile phone numbers belonging to government officials and military officials there and in neighboring Yobe state could not be reached.
Mobile phones have become the only real communication device in Nigeria for both voice calls and the Internet, as the state-run telephone company collapsed years ago. By cutting off service at towers, the military could stop extremists from receiving warnings or intelligence ahead of their operations. Authorities said they had no information about the service cutoff or refused to comment.
Nigeria’s military and security forces have tracked fighters by their cellphone signals in the past as well, prompting extremists from the radical Islamic network known as Boko Haram to attack mobile phone towers in the region.
Under the president’s directive, soldiers have ultimate control over security matters in the three states, though his order allows civilian governments to remain in place. Over the past few days, witnesses and AP journalists have seen convoys of soldiers in trucks and buses moving through the region, as well as trucks carrying armored personnel carriers.
Nigeria’s military has promised a “massive deployment of men and resources” but has declined to specify the numbers involved.
Brig. Gen. Chris Olukolade, a military spokesman based in Nigeria’s capital, Abuja, said more soldiers were en route to the region Thursday. Any assaults by ground forces also could be backed up by attack helicopters and jet fighter bombings, Gen. Olukolade said, though soldiers have yet to have a serious firefight with insurgents.
“The progress has been met with no resistance,” Gen. Olukolade told The Associated Press.
This new military campaign comes on top of a previous massive deployment of soldiers and police to the region. That deployment failed to stop violence by Islamic extremists, who have killed more than 1,600 people since 2010, according to an AP count.
Nigeria’s military has said Islamic fighters now use anti-aircraft guns mounted on trucks to fight the nation’s soldiers, raising the possibility that the country’s already overstretched security forces are becoming outgunned.
With some soldiers sent to assist in the French-led anti-jihadist operation in Mali and others serving elsewhere in Nigeria dealing with other security challenges, the 76,000-man force is creaking under the pressure, said John Campbell, a former U.S. ambassador to Nigeria.
“While the Islamist insurgents do not offer a viable political alternative and remain divided among themselves, the threat they pose to Nigeria’s political and economic future are significant, as Jonathan’s state of emergency recognizes,” Mr. Campbell wrote in an analysis published Wednesday by the Council on Foreign Relations.
Soldiers now will try to control an arid region of some 60,000 square miles, with powers to arrest anyone and take over any building.
Those powers also have led to worries about the military abusing and potentially killing civilians, which has happened repeatedly in the past and during the country’s current struggle with the Islamic insurgents.
Asked about what soldiers would do to prevent the death of civilians, Gen. Olukolade said the troops had been “fully briefed” on the rules of engagement, without offering any other details.
In Adamawa state on Thursday, the military announced a 6 p.m. to 6 a.m. curfew across the entire state. Life otherwise was calm, though heavily armed soldiers had taken over for police officers on the streets of the state capital, searching vehicles and questioning drivers.
But mobile phones remained without service for some in the region as Thursday night fell. Gen. Olukolade said that extremists might have sabotaged the lines. When asked whether the military or government could have ordered the lines to be turned off, the general said he “wasn’t aware of that.”
Reuben Mouka, a spokesman for the Nigerian Communications Commission, which oversees mobile phone carriers in Africa’s most populous nation, said he did not know about the services being cut off.
Funmilayo Omogbenigun, a spokeswoman for Nigeria’s dominant carrier, South Africa’s MTN Group Ltd., would only say, “No comment,” when asked if the government told her company to turn off service in the area.
Emeka Oparah, a spokesman for Bharti Airtel Ltd.’s operation in Nigeria, said he had no immediate information about the service outtage.
• Jon Gambrell reported from Lagos, Nigeria. Associated Press writer Ibrahim Abdul in Yola, Nigeria, contributed to this article.
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