Chemical weapons inspectors have uncovered a significant cache of previously undeclared chemical weapons in Syria – including rockets of the same type used in the notorious 2013 Ghouta attack – in what the UN’s top disarmament official called a “momentous discovery” for international security.

Over a decade after Syria agreed to dismantle its arsenal, international inspectors have uncovered scores of previously hidden chemical weapons materials.

Chemical weapons inspectors have uncovered a significant cache of previously undeclared chemical weapons in Syria – including rockets of the same type used in the notorious 2013…