Killed U.S. soldiers, Niger ISIS ally says

FILE - These images provided by the U.S. Army show, from left, Staff Sgt. Bryan C. Black, 35, of Puyallup, Wash.; Staff Sgt. Jeremiah W. Johnson, 39, of Springboro, Ohio; Sgt. La David Johnson of Miami Gardens, Fla.; and Staff Sgt. Dustin M. Wright, 29, of Lyons, Ga. All four were killed in Niger, when a joint patrol of American and Niger forces was ambushed on Oct. 4, 2017, by militants believed linked to the Islamic State group. The Mauritanian Nouakchott News Agency reported Friday, Jan. 12, 2018 that Abu al-Walid al-Sahrawi with the self-professed IS affiliate claimed responsibility for the Oct. 4 ambush about 120 miles (200 kilometers) north of Niger's capital, Niamey. (U.S. Army via AP)
FILE - These images provided by the U.S. Army show, from left, Staff Sgt. Bryan C. Black, 35, of Puyallup, Wash.; Staff Sgt. Jeremiah W. Johnson, 39, of Springboro, Ohio; Sgt. La David Johnson of Miami Gardens, Fla.; and Staff Sgt. Dustin M. Wright, 29, of Lyons, Ga. All four were killed in Niger, when a joint patrol of American and Niger forces was ambushed on Oct. 4, 2017, by militants believed linked to the Islamic State group. The Mauritanian Nouakchott News Agency reported Friday, Jan. 12, 2018 that Abu al-Walid al-Sahrawi with the self-professed IS affiliate claimed responsibility for the Oct. 4 ambush about 120 miles (200 kilometers) north of Niger's capital, Niamey. (U.S. Army via AP)

DAKAR, Senegal -- A group in northwestern Africa that is loyal to the Islamic State issued a statement claiming responsibility for the October attack in Niger that killed four U.S. soldiers who were on patrol with Nigerien forces.

The attack also killed four Nigerien service members and sparked questions about U.S. military involvement in West Africa's vast Sahel region.

The Mauritanian Nouakchott News Agency reported Friday that Abu al-Walid al-Sahrawi with the self-professed Islamic State affiliate claimed responsibility for the Oct. 4 ambush about 120 miles north of Niger's capital, Niamey. The news agency has carried messages from the affiliate before, according to the SITE Intelligence Group, which monitors jihadi websites.

The statement offered no explanation for the delay in claiming responsibility for the attack, which U.S. officials had said was probably carried out by the group.

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"We declare our responsibility for the attack on the U.S. commandos last October in the Tongo Tongo region of Niger," said the statement, attributed to al-Sahrawi, who was a member of al-Qaida's regional branch before pledging allegiance to the Islamic State nearly two years ago.

The U.S. Africa Command has been investigating the attack, which also wounded two U.S. and eight Nigerien service members. A final report is expected to be released this month.

A 12-member Army Special Forces unit was accompanying 30 Nigerien forces when they were attacked in a densely wooded area by as many as 50 militants traveling by vehicle and carrying small arms and rocket-propelled grenade launchers.

The Pentagon has declined to release details about the commando team's exact mission. U.S. officials have said the joint U.S.-Niger patrol had been asked to assist a second American commando team hunting for a senior Islamic State group member. The team had been asked to go to a location where the insurgent had last been seen.

After completing that mission, the troops stopped in a village to get food and water, then left. The U.S. military believes someone in the village may have tipped off the attackers.

The U.S. has approximately 800 troops in Niger, and U.S. special operations forces have been working with Niger's forces in a growing effort in recent years, helping them to improve their abilities to fight extremists.

Multiple military efforts exist against extremist groups, including Boko Haram and al-Qaida affiliates, that roam the vast Sahel, the sprawling, largely barren zone south of the Sahara desert. The growing fight includes France's largest overseas military operation, a United Nations peacekeeping mission in Mali and a five-nation regional force called the G5 Sahel that began last year.

Officials have pointed out the danger and difficulty of hunting down an enemy in region the size of Europe.

The Mauritanian news agency also reported that the extremists claimed responsibility for an attack Thursday on a French military convoy, and for a series of attacks in Niger and border areas with Mali and Burkina Faso.

The extent of al-Sahrawi's ties with the Islamic State is unclear. The website that carried the group's statement is an outlet favored by al-Sahrawi's former colleagues in al-Qaida, not by the Islamic State. The area in which al-Sahrawi's group operates contains some of the most forbidding terrain on the planet, a landscape of undulating dunes where cellphone towers are few and far between.

"There is a lot we don't know about how his operation connects back to the mother ship -- what's the connective tissue?" said Thomas Joscelyn, an analyst who has tracked the group for years as a senior fellow at the Foundation for Defense of Democracies in Washington. "There are a lot of possibilities and many factors in play."

The remoteness of the area in which al-Sahrawi's group operates, and the difficulty of getting reliable cellphone signals or Internet access, could be one factor to explain the delay in releasing the statement. Another possibility is that the Islamic State's media apparatus was disrupted after the group lost nearly 98 percent of its territory in Iraq and Syria.

Additionally, there have been reports of unrest among from al-Qaida loyalists after al-Sahrawi made his pledge of allegiance to the Islamic State. "There were even reports at one point that he was injured in a shootout with al-Qaida," Joscelyn said.

Information for this article was contributed by staff members of The Associated Press and by Rukmini Callimachi of The New York Times.

A Section on 01/14/2018

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