Those people are the type of fairweather fan described elsewhere in the thread, desperate to get back to the car and beat the traffic back to wherever they live (not usually the city of Manchester)
Why wouldn't the backstop be indefinite? It wouldn't be a backstop if it wasn't and regardless would be irrelevant if the sort of technology the Brexiteers say exist is likely to deployed asap.
Number of people stabbed at random in the Arndale Centre.
It happens the same week the brother of the Manchester bomber appears in court. Might be linked, might not.
Anyway, hopefully no fatalities.