Iran-Saudi crisis deepens

Tension has sparked global concern, as Bahrain, Sudan and Kuwait severe relations with Teheran

Tensions between Saudi Arabia and Iran erupted into a full-blown diplomatic crisis as Riyadh and its Sunni Arab allies cut or reduced ties with Teheran, sparking global concern.

Following angry exchanges over Saudi Arabia's execution on Saturday of prominent Shiite cleric and activist Sheikh Nimr al-Nimr, Riyadh and then Bahrain, Sudan and Kuwait severed relations with Teheran, the main Shiite power.