The New York Times reports: The Islamic State’s branch in Libya is deepening its reach across a wide area of Africa, attracting new recruits from countries like Senegal that had been largely immune to the jihadist propaganda — and forcing the African authorities and their Western allies to increase efforts to combat the fast-moving threat.

The American airstrikes in northwestern Libya on Friday, which demolished an Islamic State training camp and were aimed at a top Tunisian operative, underscore the problem, Western officials said. The more than three dozen suspected Islamic State fighters killed in the bombing were recruited from Tunisia and other African countries, officials said, and were believed to be rehearsing an attack against Western targets.

Even as American intelligence agencies say the number of Islamic State fighters in Iraq and Syria has dropped to about 25,000 from a high of about 31,500, partly because of the United States-led air campaign there, the group’s ranks in Libya have roughly doubled in the same period, to about 6,500 fighters. More than a dozen American and allied officials spoke of their growing concern about the militant organization’s expanding reach from Libya and across Africa on rules of anonymity because the discussions involved intelligence and military planning. [Continue reading…]