Given recent developments at In Amenas in Algeria, has a new front in the so-called “war on terror” been opened in the Sahel? Who is responsible for this “escalation”?

French President Francois Hollande who ordered French troops into action in Mali.

Islamist militant Belmokhtar who allegedly led the attack on the Algerian gas plant.

Members of the Algerian special forces, also known as the kouksoul, attend a training in Biskra, south of Algiers in this June 28, 2007 file photo. -Reuters Photo

How long will the French and other European powers be embroiled in this fast-changing conflict in North Africa?