Somalia-based Al Shabab claimed responsibility for the attack on a miners' camp in northern Kenya. The group continues to menace Kenya, which has sent troops into Somalia as part of an international peacekeeping effort.
The attack on Thursday night follows Al Shabab's brief takeover of a mosque in the area, which borders Somalia, the base for the militant group.
A round-up of global commentary for the April 20&27, 2015 issue of the weekly magazine.
Critics are pointing to corruption as a key contributor to gaps in Kenya's security efforts.
The attack on Garissa University College was the deadliest yet by the militant Islamist group, which is based across the border in Somalia.
The Islamist group's deadly attack is a blow to Kenyan efforts to root out the Somalia-based militant organization. The group said it was holding Christian students as hostages.