© Joel Goodman - 07973 332324 . 07/04/2017 . Manchester , UK . A paramedic tends to a man slumped on the ground in Piccadilly Gardens . Greater Manchester Police have authorised dispersal powers and say they will ban people from the city centre for 48 hours , this evening (7th April 2017) , in order to tackle alcohol and spice abuse . Photo credit : Joel Goodman