There are incoming messages about an attack in the capital Bamako. Armed attackers have taken about 170 people hostage in hotel Radisson.
The police and army have surrounded the hotel
According to the French media there were two conferences in the hotel. The military was busy with a meeting and at the same time a conference was being held about IS.
Station Europe 1 is saying that they heard shots in the hotel in the centre of the city. De terrorists would be on the seventh floor of the hotel, where there are 190 rooms.
(CNN)The U.S. Embassy in Mali has asked American citizens and its staffers to remain indoors after reports surfaced of a shooting at the Radisson Hotel in the capital Bamako. Very little is known about the incident, but the embassy in its tweet called it an "ongoing active shooter operation."

http://nos.nl/artikel/2070245-aanval...stad-mali.html
http://edition.cnn.com/2015/11/20/af...html?sr=cnnitw
http://news.sky.com/story/1591106/gu...-take-hostages
It is not really clear what is happening now, but I hope everything will turn out for the best.
Edit: They are talking about at least 2 gunman, could be more.
Edit 2: Three confirmed dead, two from Mali and one from France
Some hostages have been released after reciting the Quran
There are about 10 armed man, they also have grenades
(source:
http://nos.nl/liveblog/2070259-gijze...ijgelaten.html)
Edit 3: 80 people are rescued and released, still over 100 people in the hotel. But two military operations are busy helping people out of the hotel.
Edit 4: The hotel confirmed there are still 138 people inside the hotel
Edit 5: Supporters of an al Qaeda affiliated group have claimed responsibility this attack and US special forces are helping recovering hostages from the hotel
Edit 6: The hostage situation is over, 18 people have been found dead
Edit 7: The group al-Mourabitoun is responsible, and there have been 27 people found dead and counting