Middle East 'at precipice' of a regional war: Analyst John Lyndon

Tensions in the Middle East have fuelled fears of a wider war. Israel has vowed to make Iran "pay" for its second firing of missiles into its territory this year. Iran's supreme leader Ali Khamenei has blamed the US and its allies for escalating regional tensions. Mr John Lyndon, executive director at the Alliance for Middle East Peace, discussed more about the conflict and possibility of a regional war.