France has proof Assad regime used chemical weapons: Macron

French President Emmanuel Macron said on Thursday that he had evidence that chemical weapons were used in rebel-held enclave of Douma in Syria and that the regime of Bashar al-Assad was guilty, reiterating that attacking Damascus is necessary.

Macron was one of several Western leaders to enter the diplomatic crisis following last week's attack on Douma, which left 70 people dead, including 40 who showed signs of exposure to chemical toxins, Efe news reported citing a report by the World Health Organization.

"We have evidence chemical weapons were used and that it was the regime who used them," said Macron in a televised interview with TF1 broadcaster. "We will have decision to take in due course."

Last week, an attack on Douma left at least 70 people dead, of which 40 showed signs of exposure to chemical toxins.