UNITED NATIONS/BEIRUT (Reuters) – Syria’s U.N. ambassador said a United Nations security team traveled to the Syrian town of Douma ahead of a planned visit by global chemical weapons experts on Wednesday to look into a suspected poison gas attack that sparked a U.S.-led retaliatory strike.

Western countries say scores of civilians sheltering from bombs were gassed to death in Douma on April 7. Syria and its ally Russia deny that any chemical attack took place. Read more.