Gunmen storm Mali hotel

Drapes soaked in blood lie on the floor of the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

Malian security officials show a jihadist flag they said belonged to attackers in front of the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

Bullet holes are seen at a staircase of the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

French soldiers leave the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

A room is seen in the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

A corpse is seen outside the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

Malian officials prepare to lift a corpse into an emergency vehicle outside the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

UN officials exit the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

A forensic police official is seen at the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

Blood is seen at a staircase of the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

A Malian police officer stands guard in front of the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

Blood is seen on the staircase of the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

A Malian police officer walks in front of the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

Soldiers walk in front of the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

People stand near the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

A television shows news of the Bamako attack in a room in the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

Belongings lie on a bed in the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

Malian soldiers display grenades and other supplies they said belonged to jihadists in front of the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

Malian officials carry a corpse outside the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

Malian officials enter the lobby of the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

French soldiers leave the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

French gendarmes bring forensic supplies to the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

Still image from video shows a hostage rushed out of the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/REUTERS TV

A U.N. official walks at a staircase covered in blood in the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

Drapes soaked in blood lie on the floor of the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

Still image from video show a hostage rushed out from the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/REUTERS TV

Bullet casings are seen in a helmet on the floor of the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

Belongings lie on a table in the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

Security forces gather near the Radisson Hotel in Bamako, Mali, November 20, 2015. REUTERS/MALIKAHERE.COM

French gendarmes prepare forensic supplies in the lobby of the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

Still image from video shows the lobby of the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/REUTERS TV

Security forces drive near the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Adama Diarra

Still image from video show a hostage rushed out from the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/REUTERS TV

Malian soldiers display grenades and other supplies they said belonged to jihadists in front of the Radisson hotel in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney

The exterior of the Radisson hotel is seen in Bamako, Mali, November 20, 2015. REUTERS/Joe Penney