An internally displaced Pakistani girl from a tribal area attends her daily lesson at a madrassa, a school for the study of Islam, on the outskirts of Islamabad, Pakistan, April 6, 2015. [Photo/IC]

Here's a look at some of the most striking images from major stories around the world in the past week. They include: US President Barack Obama marking Easter with the White House Easter Egg Roll, Kenyans attending a memorial vigil for the victims of an attack by militant group Al-Shabaab, and Greek anti-establishment protesters clashing with police.