18:00Six O'Clock News06/09/2017 Business leaders express concern at plans to slash EU migration after BrexitBBC Radio 4 Duration: 30 minutes Wed 6th Sep 2017, 18:00 on BBC Radio 4 LWAvailable for over a yearListen nowFirms which rely on EU workers warn draft immigration proposals could have "catastrophic" impactGenresNewsFormatsBulletinsBrandSix O'Clock News Source: BBC Online