The use of chlorine against Syrian civilians could lead to similar attacks elsewhere in the world, a scientist at the heart of new revelations into chemical weapons use has found.
Hamish De Bretton-Gordon - a British chemical scientist involved in testing samples from recent attacks for the Telegraph - said that such incidents could have a major "psychological impact".
More top news
All eyes are on the stars as they arrive on the red carpet for the 89th Oscars. But who won in the fashion stakes?
Tributes have been paid to the Labour MP for Manchester Gorton and Father of The House of Commons who has died aged 86.
A very unsettled start to the new week with heavy, thundery, occasionally wintry showers spreading in from the west throughout the day.