Should more be done to stop people smoking outside hospitals? Caller Katrina kicked off a big debate on #BBCNolan

It's a long standing gripe - smoking outside the entrance of hospitals. Many - including patients - right under signs warning 'no smoking'. Well one Nolan listener is fuming about the issue - and after a recent visit to Antrim Area Hospital for treatment for brittle asthma put pen to paper to give off about having to walk through a cloud of smoke. Stephen spoke to Katrina earlier about her experience and got the thoughts of former UKIP MLA David McNarry.