Police officers take position during the ongoing rescue operation at the Westgate Shopping Centre in Nairobi
Kenyan police officers take position as a military ambulance leaves the ongoing rescue operation at the Westgate Shopping Centre in the capital Nairobi, September 23, 2013. Gunfire and explosions sounded on Monday from the Nairobi mall where militants from Somalia's al Qaeda-linked al Shabaab group threatened to kill hostages on the third day of a raid in which at least 68 have already died. REUTERS/Thomas Mukoya (KENYA - Tags: CIVIL UNREST CRIME LAW)
Police officers take position during the ongoing military operation at the Westgate Shopping Centre in Nairobi
Kenyan police officers take position during the ongoing military operation at the Westgate Shopping Centre in the capital Nairobi, September 23, 2013. Gunfire and explosions sounded on Monday from the Nairobi mall where militants from Somalia's al Qaeda-linked al Shabaab group threatened to kill hostages on the third day of a raid in which at least 68 have already died. REUTERS/Thomas Mukoya (KENYA - Tags: CIVIL UNREST CRIME LAW)
Police officers take positions during the ongoing military operation at the Westgate Shopping Centre in Nairobi
Kenyan police officers take positions during the ongoing military operation at the Westgate Shopping Centre in the capital Nairobi, September 23, 2013. Gunfire and explosions sounded on Monday from the Nairobi mall where militants from Somalia's al Qaeda-linked al Shabaab group threatened to kill hostages on the third day of a raid in which at least 68 have already died. REUTERS/Thomas Mukoya (KENYA - Tags: CIVIL UNREST CRIME LAW)
A resident points at the ongoing military rescue operation at Westgate Shopping Centre in Nairobi
A resident points at the ongoing military rescue operation at Westgate Shopping Centre as others look on in the capital Nairobi, September 23, 2013. Gunfire and explosions sounded on Monday from the Nairobi mall where militants from Somalia's al Qaeda-linked al Shabaab group threatened to kill hostages on the third day of a raid in which at least 68 have already died. REUTERS/Thomas Mukoya (KENYA - Tags: CIVIL UNREST CRIME LAW)
A man takes a picture of the ongoing rescue operation at Westgate Shopping Centre in Nairobi
A man takes a picture of the ongoing rescue operation at Westgate Shopping Centre in the capital Nairobi, September 23, 2013. Gunfire and explosions sounded on Monday from the Nairobi mall where militants from Somalia's al Qaeda-linked al Shabaab group threatened to kill hostages on the third day of a raid in which at least 68 have already died. REUTERS/Thomas Mukoya (KENYA - Tags: CIVIL UNREST CRIME LAW)
Residents look at the ongoing rescue operation at the Westgate Shopping Centre in Nairobi
Residents look at the ongoing rescue operation at the Westgate Shopping Centre in the capital of Nairobi, September 23, 2013. Gunfire and explosions sounded on Monday from the Nairobi mall where militants from Somalia's al Qaeda-linked al Shabaab group threatened to kill hostages on the third day of a raid in which at least 68 have already died. REUTERS/Thomas Mukoya (KENYA - Tags: CIVIL UNREST CRIME LAW)
Gunfire at besieged Kenyan mall, Islamists threaten hostages
Somali Islamists linked to al Qaeda claim responsibility and demand withdrawal of Kenyan troops from Somalia
A Kenyan policeman secures the road past the Westgate Shopping Centre in the capital Nairobi
A Kenyan policeman secures the road past 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)
Soldiers from the Kenya Defence Forces are seen entering the Westgate Shopping Centre in the capital Nairobi
Soldiers from the Kenya Defence Forces (KDF) are seen entering 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)
Kenyan policemen gather for a briefing near the Westgate Shopping Centre in the capital Nairobi
Kenyan policemen gather for a briefing 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)