Kenyan policemen keep vigil near the Westgate Shopping Centre in the capital Nairobi
Kenyan policemen keep vigil near the Westgate Shopping Centre in the capital Nairobi, September 23, 2013. Heavy and sustained gunfire was heard from the Kenyan shopping mall where at least 68 people were killed in an attack by the Somali al Shabaab group, suggesting a possible assault by Kenyan security forces, a Reuters witness at the scene said. REUTERS/Thomas Mukoya (KENYA - Tags: SOCIETY CIVIL UNREST CRIME LAW)
Public donates blood at a temporary donation centre for victims of a shopping mall shooting spree in Nairobi
Members of the public donate blood at a temporary donation centre for the injured victims of a crossfire between armed men and the police at the Westgate shopping mall, in Kenya's capital Nairobi September 22, 2013. Islamist militants were holed up with hostages on Sunday at a shopping mall in Nairobi, where at least 59 people have been killed in an attack by the al Shabaab group that opposes Kenya's participation in a peacekeeping mission in neighboring Somalia. REUTERS/Thomas Mukoya (KENYA - Tags: CIVIL UNREST CRIME LAW)
A man donates blood at a temporary donation centre for victims of a shopping mall shooting spree in Nairobi
A man donates blood at a temporary donation centre for the injured victims of a crossfire between armed men and the police at the Westgate shopping mall, in Kenya's capital Nairobi September 22, 2013. Islamist militants were holed up with hostages on Sunday at a shopping mall in Nairobi, where at least 59 people have been killed in an attack by the al Shabaab group that opposes Kenya's participation in a peacekeeping mission in neighboring Somalia. REUTERS/Thomas Mukoya (KENYA - Tags: CIVIL UNREST CRIME LAW)
A man donates blood at a temporary donation centre for victims of a shopping mall shooting spree in Nairobi
A man donates blood at a temporary donation centre for injured victims of a crossfire between armed men and the police at the Westgate shopping mall, in Kenya's capital Nairobi September 22, 2013. Islamist militants were holed up with hostages on Sunday at a shopping mall in Nairobi, where at least 59 people have been killed in an attack by the al Shabaab group that opposes Kenya's participation in a peacekeeping mission in neighboring Somalia. REUTERS/Thomas Mukoya (KENYA - Tags: CIVIL UNREST CRIME LAW)
Mourners bury the slain body of victim killed at a shopping mall shooting spree in Nairobi
Relatives and Muslim faithful bury the slain body of Rehmad Mehbub, 18, who was killed in crossfire between armed men and the police at the Westgate shopping mall, in Kenya's capital Nairobi September 22, 2013. Islamist militants were holed up with hostages on Sunday at a shopping mall in Nairobi, where at least 59 people have been killed in an attack by the al Shabaab group that opposes Kenya's participation in a peacekeeping mission in neighbouring Somalia. REUTERS/Thomas Mukoya (KENYA - Tags: CIVIL UNREST CRIME LAW OBITUARY)
Relatives and Muslim faithful carry body of a victim killed in a crossfire at the Westgate shopping mall, in Nairobi
Relatives and Muslim faithful carry the slain body of Rehmad Mehbub, 18, who was killed in a crossfire between armed men and the police at the Westgate shopping mall, in Kenya's capital Nairobi September 22, 2013. Islamist militants were holed up with hostages on Sunday at a shopping mall in Nairobi, where at least 59 people have been killed in an attack by the al Shabaab group that opposes Kenya's participation in a peacekeeping mission in neighboring Somalia. REUTERS/Thomas Mukoya (KENYA - Tags: CIVIL UNREST CRIME LAW OBITUARY)
Volunteers at a hospital assist a man whose relative was killed in Saturday's attack at the Westgate shopping mall in Nairobi
Volunteers at the MP Shah hospital assist a man whose relative was killed in Saturday's attack at the Westgate shopping mall in Nairobi September 22, 2013. Kenyan security forces were locked in a stand-off on Sunday with gunmen who killed at least 59 people at the upmarket shopping mall in the Kenyan capital, and it was still unclear how many hostages the al Qaeda-linked militants were holding. REUTERS/Thomas Mukoya (KENYA - Tags: CIVIL UNREST HEALTH)
Kenya's former PM Odinga arrives at the Westgate Shopping Centre in Nairobi
Kenya's former Prime Minister Raila Odinga arrives at the Westgate Shopping Centre in Nairobi September 22, 2013. Kenyan security forces were locked in a stand-off on Sunday with gunmen who killed at least 59 people at the upmarket shopping mall in the Kenyan capital, and it was still unclear how many hostages the al Qaeda-linked militants were holding. REUTERS/Thomas Mukoya (KENYA - Tags: POLITICS CIVIL UNREST)
A general view shows cars parked at Westgate shopping mall during a shootout between armed men and the police in Nairobi
A general view shows cars parked at the Westgate shopping mall during a shootout between armed men and the police in Nairobi September 22, 2013. Kenyan security forces were locked in a stand-off on Sunday with gunmen who killed at least 39 people at the upmarket shopping mall in the Kenyan capital, and it was still unclear how many hostages the al Qaeda-linked militants were holding. REUTERS/Thomas Mukoya (KENYA - Tags: CIVIL UNREST)
A woman is escorted after being evacuated as gunmen storm Westgate mall in Nairobi
A woman (C) is escorted after being evacuated from the Westgate shopping mall in Nairobi September 22, 2013. Kenyan security forces were locked in a stand-off on Sunday with gunmen who killed at least 39 people at the upmarket shopping mall in the Kenyan capital, and it was still unclear how many hostages the al Qaeda-linked militants were holding. REUTERS/Thomas Mukoya (KENYA - Tags: CIVIL UNREST)