REUTERS:
Gunmen moving floor by floor, have arrived on the seventh floor of Radisson hotel - Senior security source
BBC:
Qatari Al Jazeera TV has identified the group holding a number of people hostage in the Radisson Blu Hotel in Mali as the “Ansar al-Din (supporters of religion)” group.
The channel’s correspondent in Mali described Ansar al-Din as an “extremist military group that seeks to implement Islamic Sharia in Mali”.