Kenya's crackdown on Muslim militants may only worsen the problem, with the use of alleged extra-judicial measures only fueling the fire.
Gunmen involved in the Nairobi shopping mall attack were in apparent disagreement over whether they should kill women and small children.
Hooded soldiers carrying sniper rifles have unleashed a sweeping crackdown across Mogadishu in a hunt for militants and weapons.
This year, scores of people lost their lives in attacks orchestrated by terrorist groups in various regions of Africa. We look at the main groups.
Gunmen have killed five Kenyan police officers in the latest attack in the troubled northeast border region close to war-torn Somalia.
After receiving evidence that al-Shabab is planning attacks in the country, Ethiopia has put its security forces on heightened alert, say officials.
Young people in Somalia have known only war and little prospect of getting a job.
A drone attack on Somalia's al-Shabab has left a top suicide bomb-maker for the rebel group dead, say government officials.
The Kenyan government says it believes it has recovered the remains of the four gunmen involved in the Westgate Mall shootings.
Uganda has been on high alert over fears of an attack similar to the bloody mall assault by Somalia's al-Shabab fighters in neighbouring Kenya.
The African Union has backed a call to boost by about a third the number of troops in an African peacekeeping force in Somalia.
The Navy SEALS' stealthy assault on the militant group in a Somali village has gone awry.
Barack Obama says that the US would focus its attack on al-Qaeda-linked groups in Africa but had no intention of going to war on the continent.
A failed raid in Somalia and anger at the capture of an al-Qaeda leader in Libya has focused on the US's problems in its fight against militants.
Al-Shabab says "Western" forces attacked a house in one of its coastal bases in the town of Barawe under the cover of dark, killing one rebel fighter.
The BBC's Peter Taylor reports on the Kenyan recruitment network, which delivers would-be jihadists to be used on missions by al-Shabab in Somalia.
Reporting on the terror attack on Westgate Mall in Kenya was a blur of smoke, terror and confusion, writes Robyn Kriel.
Militant group al-Shabab, who have claimed responsibility for the attack on Westgate mall, have threatened to step up militant attacks against Kenya.
Al-Shabab's insistence that no woman joined them in the Nairobi mall attack may dismiss speculation that 'White Widow' Samantha Lewthwaite took part.
Another arrest has been made by Kenya over last week's Westgate Mall attack in Nairobi that left 67 people dead.