© Joel Goodman - 07973 332324 . NO SYNDICATION PERMITTED . 20/12/2014 . Manchester , UK . A woman slips and falls on Bootle Street . " Mad Friday " revellers out in the rain and cold in Manchester . Mad Friday is typically the busiest day of the year for emergency services , taking place on the last Friday before Christmas when office Christmas parties and Christmas revellers enjoy a night out . Photo credit : Joel Goodman