UKIP leader Bolton backs zero net migration to stop 'swamp' on services

UKIP's new leader has called for Britain to aim for zero net migration to stop the country being "swamped".Henry Bolton told Sky News a drastic change was needed, but admitted it would be "very difficult" to hit such a target.In 2015, Nigel Farage proposed stopping all low and un-skilled workers coming into the country and a cap of 50,000 on high-skilled immigrants.