The newly-appointed BBC Director-General Tony Hall said, "It takes a lot to drag me away from the Royal Opera House ... but the reason I stand before you today is that I care passionately about the BBC, about what it can do, it's programme makers and the impact we have in all different ways".
More top news
Interpol has issued a global alert over the threat posed by the "diet pills" that claimed the life of a British woman.
Political leaders have launched a last-ditch attempt to win votes as the general election campaign enters its final stages.
A new screening test can detect twice as many ovarian cancers as conventional methods, research has shown.