By Ian Drury PUBLISHED: 07:13 EST, 24 June 2012 | UPDATED: 07:24 EST, 25 June 2012 Military intervention in Syria moved a step nearer after Nato announced it would meet to discuss the shooting down of a Turkish warplane. Amid a tense stand-off, Ankara invoked Article 4 of the defence alliance which allows a member state to consult allies if its security is threatened. Two Turkish airmen were still missing last night after their unarmed F-4 Phantom jet was shot down by Syrian forces. Scroll down for video A F4 Phantom Turkish fighter jet was shot down by Syrian security forces over international waters, say Turkey
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Nato agrees to meet to discuss the incident
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Foreign Secretary William Hague condemns Syria's actions
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Two Turkish airmen still missing
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