Greek police fire stun grenades in Athens scuffles

ATHENS (Reuters) - Greek police threw stun grenades and scuffled with protesters in central Athens on Friday, as a rally got under way in support of a 'No' vote in a Sunday referendum on whether to endorse an aid deal with creditors. The scuffles involved a few dozen people, many dressed in black and wearing helmets but quickly appeared to calm. (Reporting by James MacKenzie; Writing by Matt Robinson)