A man attacked and wounded six people at the Gare du Nord train station in Paris, leaving one with serious injuries, before being shot by off-duty police officers, authorities said. Interior Minister Gerald Darmanin told reporters the man attacked travellers with what looked like a home-made weapon at 0642 CET (0542 GMT) at the entrance and inside the station. Police had earlier said the man had used a knife or blade. Within a minute, off-duty police officers returning home after a night shift shot the attacker three times, Darmanin said. Gare du Nord, one of the busiest stations in Europe,…