18:00Six O'Clock News27/01/2016 clamp down on tax avoidanceBBC Radio 4 Duration: 30 minutes Wed 27th Jan 2016, 18:00 on BBC Radio 4 FMAvailable for over a yearListen nowAn agreement to clamp down on tax avoidanceDavid Cameron is"angry" about Google's taxGenresNewsFormatsBulletinsBrandSix O'Clock News Source: BBC Online