18:00Six O'Clock News23/11/2015 David Cameron says Islamic State is a "direct threat to the UK"BBC Radio 4 Duration: 30 minutes Mon 23rd Nov 2015, 18:00 on BBC Radio 4 FMAvailable for over a yearListen nowDavid Cameron says it's his conviction the UK should attack Islamic State in Syria.GenresNewsFormatsBulletinsBrandSix O'Clock News Source: BBC Online