The newly-appointed BBC Director-General said he cares "passionately" about the BBC, and said "I know we can get through" the tough times.
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So-called Islamic State fighters have re-entered the historic city of Palmyra in central Syria, activists say.
The driver stopped at the scene and the boy was taken to hospital, but he died on the way.
Sunday Times restaurant critic AA Gill has died at the age of 62, three weeks after revealing he had cancer.