A north African specialist has warned more foreign companies are at risk of getting caught up in militant activity connected to the Mali crisis.
The Islamists who took foreign hostages at a remote gas installation in Algeria are believed to have been motivated by Algerian support for the French military intervention in neighbouring Mali.
Imad Mesdoua is an Algerian political analyst with a South African-based risk management consultancy firm, Pasco.
He gave Santilla Chingaipe his views on the hostage situation in Algeria.