The government said it has agreed to destroy chemicals used to make Syrian chemical weapons, and will destroy 150 tonnes of two industrial-grade chemicals at a commercial facility.
It will also provide a Navy vessel to escort Danish and Norwegain Cargo ships carrying some of the stockpile.
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Cincinnati Zoo's director stood by the decision to shoot dead a 17-year-old gorilla after a toddler accidentally entered his sanctuary.
A total of 8,648 sailors died during the largest naval engagement during the First World War, which marks its centenary on Tuesday.
The figures by the Global Slavery Index are a third higher than previously thought.