the worst affected, with transport for london saying about 500 of its frontline staff were currently off work. our reporter geeta pendse is at manchester piccadilly station this morning. geeta, how much disruption is this causing there? manchester piccadilly is just one of a number— manchester piccadilly is just one of a number of uk stations that have seen _ a number of uk stations that have seen some — a number of uk stations that have seen some disruption this week, some cancellations. that is due to certain— cancellations. that is due to certain operators struggling to cope with staff _ certain operators struggling to cope with staff shortages because of coronavirus and people having to self—isolate. in manchester this week— self—isolate. in manchester this week alone cross—country services, particular— week alone cross—country services, particular ones, have been cancelled entireiy~ _ particular ones, have been cancelled entirely. they have included certain journeys— entirely. they have included certain journeys to — entirely. they have included certain journeys to places like birmingham, southampton, bournemouth. this is not the _ southampton, bournemouth. this is not the only— southampton, bournemouth. this is not the only operator. the rail delivery — not the only operator. the rail delivery group, who represent uk operators, — delivery group, who represent uk operators, they say that 5.2% of trains— operators, they say that 5.2% of trains were _ operators, they say that 5.2% of trains were cancelled in the past