<p>SIX people died and at least 23 were injured as a fierce storm tore through a beachfront in one of Greece’s top tourist areas, terrifying thousands of holidaymakers caught in the open, authorities said today.</p> <p>Six tourists including two children were killed – two each from the Czech Republic, Russia and Romania – in the northern region of Halkidiki, near Greece’s second city Thessaloniki, in the storms late yesterday.</p>