The problem of young people going missing after they leave local authority care is a serious one, Today reported. Criticism of council care is expected to be raised in the government's white paper on social services, to be published later this month.
Local authorities must provide help to young people once they have left, Lewis said.
'Across the country there would be a very mixed picture', he said. 'The intention is quite clear, the important thing is to resource it appropriately... and to ensure the young people are aware of it'.