A neglected conflict is straining ties between Algeria and Spain. Trade and diplomatic links have been cut because of a dispute over the Western Sahara region. But what's behind the recent escalation? And can it be resolved?

Join host Nick Clark.

Guests:

Sidi Omar - Polisario Front Representative at the United Nations.

Yasmine Hasnaoui - North Africa affairs specialist.

Riccardo Fabiani - Project Director for North Africa, International Crisis Group.