David Cameron is telling his audience in Glasgow that having the Trident nuclear deterrent is the "best insurance policy that you can have that you will never be subject to nuclear blackmail".
It took three questions to get on to the subject of cuts, with the Prime Minister saying that "defence can't be exempt altogether from difficult decisions".
He says that the new aircraft carriers, Typhoons and other Army kit will be best in the world despite the cuts.
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Novak Djokovic has secured his fifth Australian Open title with a four set 7-6 (7-5), 6-7 (4-7), 6-3, 6-0 victory over Andy Murray
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Star of cult TV drama The Wire actor Idris Elba has said he sees himself as "an odd, tall black man that doesn't quite fit in".