Donald Trump is warning that the United States relationship with Russia is worse now than it has ever been.
In a tweet, the US President says “nice and new and smart” missiles “will be coming” to Syria – after an apparent gas attack on civilians there.
Moscow is warning that could destroy evidence of what allegedly happened.
Panos Moumtzis organises the UN’s humanitarian efforts in the country.
He says 8,000 people are being forced from their homes every day: