There are more strong denials from the Syrian government amid worldwide condemnation of the chemical attack that killed at least 70 people including children.
Russia has said chemical gas which killed dozens in Syria leaked from a rebel facility, after it was bombed by Syrian planes.
Two women accused of killing the estranged half-brother of North Korea’s leader Kim Jong-un, have been charged with murder in Malaysia.
Malaysian police revealed they've discovered traces of a highly toxic nerve agent on the face of Kim Jong-Nam, who was murdered earlier in February
A list produced by international investigators indicates that Bashar al-Assad and his brother were linked to the decision to use toxic weapons in 2014 and 2015.