Christmas quiz – the answers
From our UK edition
You don’t say 1. President Donald Trump, in a tweet 2. Donald Tusk, the President of the European Council, in an Instagram 3. Gavin Williamson, the Defence Secretary 4. Boris Johnson on the niqab 5. Sarah, Duchess of York, on the engagement of her daughter Eugenie 6. Serena Williams, to the referee, on being docked