Kenyan intelligence agencies estimate that around 100 men and women may have gone to join the IS in Libya and Syria.
Recent arrests show the Islamic State's growing presence in East Africa, where they are recruiting young Kenyans for jihad abroad and raising fears some of them will return to threaten the country.
Kenyan intelligence agencies estimate that around 100 men and women may have gone to join the IS in Libya and Syria, triggering concern that some may come back to stage attacks on Kenyan and foreign targets in a country already victim to regular, deadly terrorism.
"There is now a real threat that Kenya faces from IS and the danger will continue to increase," said Rashid Abdi, senior analyst at the International Crisis Group think tank in Nairobi.
The problem of eager but often untrained extremists gaining terrorist skills with IS and coming home to launch attacks is one European nations are already grappling with, and may soon be Kenya's problem too
