Syrian rebels fighting to overthrow the regime of President Bashar al-Assad suffered a significant defeat when they were pushed back from the strategically important town of Qusair, which they had held for more than a year.
ITV News reporter Neil Connery on why the loss is so important:
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A rather cloudy start for most, with rain spreading eastwards, clearing to brighter skies later in the day.
The letter was signed by the CBI, British Chambers of Commerce, the EEF, the Institute of Directors and the Federation of Small Businesses.
A spokesperson said Rory Stewart's remarks were in line with the British government’s stated position.