David Cameron delivers statement to MPs on the Tunisian beach attack and EU summit

The PM says the group known as Islamic State poses "an existential threat"

The terror attack last Friday left 38 dead, including at least 15 Britons

Home Secretary Theresa May visits Tunisia to pay condolences and for talks on the extremist threat

Lord Janner to face criminal proceedings on historical sexual abuse claims after a CPS U-turn

Chancellor George Osborne says a Greek exit from the eurozone would be "traumatic" for the rest of Europe