These images of Kenyans mourning college attack will leave you shaken
Two days after gunmen belonging to the Islamist extremist Al Shabab group stormed the Garissa University college on Thursday and shot dead 148 people, a 19-year-old survivor has been found.
A round-up of our favourite photographs of the week gone by.
The number of people killed in acts of terror reached a record high last year, with almost four in five of these deaths occurring in just five countries, new research shows.