Watch: Why is there a 'black cloud' over unity at the Nato summit?

Here is the latest breaking news from around the world: Watch: Why is there a 'black cloud' over unity at the Nato summit? Watch: Why is there a 'black cloud' over unity at the Nato summit? CloseUS President Donald Trump is in Turkey attending a Nato summit following a ramp up in tensions between the US and Iran.

The latest trading of strikes were not the only topic of discussion at the summit, defence spending and Trump's reiteration of his interest in purchasing Greenland were also brought up. The 's Frank Gardner explains how the latest developments have cast a "black cloud" over discussions of unity at the summit. SubsectionWorldPublished39 minutes ago Share close panelShare page Copy linkAbout sharingRelated topicsNato Follow Nato close panelYou are now following NatoUpdates from your News topics will appear in My News and in a collection on the News homepage.

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The story has become one of the most prominent items on the global agenda.