Al-Shabab Gunmen Attack Kenya University

Kenyan Muslims demonstrate against Thursday's attack and in solidarity with non-Muslims who were targeted, on a street in Garissa, Kenya, April 3, 2015.

A student shields her face with a book at the main entrance of Garissa campus, the site of Thursday's attack by gunmen, in Garissa, April 3, 2015.

Kenya Red Cross staff assist a woman after she viewed the body of a relative killed in Thursday's attack on a university, at Chiromo funeral home, Nairobi, Kenya, April 3, 2015.

Kenyan Defense Force soldiers guard the main entrance of Garissa campus, the site of Thursday's attack by gunmen, in Garissa, April 3, 2015.

Paramedics help a student who was injured during an attack by Somalia's al-Qaida-linked al-Shabab gunmen at Garissa University College, April 2, 2015.

Kenyan police officers take cover outside Garissa University College during an attack by gunmen in Garissa, April 2, 2015.

Kenyan police officers take positions during an attack by gunmen outside the Garissa University College as an ambulance carrying the injured are taken to the hospital, in Garissa, April 2, 2015.

A Kenyan Defense Forces tank travels on a road outside Garissa University College in Garissa, Kenya, April 2, 2015.

In this mobile phone image, soldiers from the Kenya Defense Force move behind a thicket in the town of Garissa, April 2, 2015.

Students gather outside Garissa University College after an attack by gunmen, in Garissa, April 2, 2015.

Students of Garissa University College take shelter in a vehicle after fleeing from an attack by gunmen in Garissa, April 2, 2015.

Local residents donate blood at Garissa hospital, April 2, 2015.