Ten Things You Need to Know Today: Monday 21 Jan 2013

The film director and restaurant critic Michael Winner has died aged 77. Winner, who made more than 30 films including the Death Wish series, had been seriously ill for some time. His death was announced today by his wife, Geraldine, who said "a light has gone out of my life".

David Cameron has warned that the West in the midst of a "generational struggle" against Islamist terrorism in north Africa and that Britain would have to be "patient and resolute" to gain the upper hand. The PM made the comments in the opening address of his statement to the Commons today on the Algerian hostage crisis in which three Britons are confirmed dead and three more are believed to have died.

David Cameron and his most senior civil servant, Sir Jeremy Heywood, have been criticised by an all-party committee of MPs over their handling of the investigation into claims of verbal abuse against the police by the former Tory chief whip Andrew Mitchell. The committee said Heywood should have challenged the claim in a leaked police log that Mitchell called officers 'plebs'.

Andy Murray is through to the quarter-finals of the Australian Open after beating Frenchman Gilles Simon 6-3, 6-1, 6-3. But the Scot seemed agitated during the 95-minute match and made 26 unforced errors. The British number one had been expected to breeze past Simon, who had failed to recover sufficiently from his previous five-set match against Gael Monfils.