Why does the Salisbury London train suddenly drop from 9 carriages to 6? So 3 go off to be serviced at the same time? Leaving lots of people standing from Andover and beyond

Why does the Salisbury London train suddenly drop from 9 carriages to 6? So 3 go off to be serviced at the same time? Leaving lots of people standing from Andover and beyond

Parents
No Data
Reply Children
No Data