News of Tuesday 4 December 2018

• Ukraine-Russia clash: Nato's dilemma in the Black Sea
• Ballon d'Or : Modric beats Ronaldo and Messi to win best player award
• Saudi crown prince snubbed in Algeria, delays Jordan visit amid Khashoggi crisis
• Zarif says Iran-EU trade mechanism will cover oil sales
• No oil exports from Persian Gulf if Iranian sales blocked: Rouhani