As Home Secretary Shabana Mahmood faces a Labour revolt over her planned overhaul of the asylum system, Alex Ross looks at how effective the measures would be Sign up for the View from Westminster email for expert analysis straight to your inbox Get our free View from Westminster email Get our free View from Westminster email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice T he number of asylum claims in the UK has hit a