The mayor of a southern Philippine town that was devastated by a powerful earthquake pleaded on Thursday for helicopters to transport food to stave off hunger in several landslide-isolated villages. The 7.8 magnitude offshore quake, one of the strongest to hit the archipelago in half a century, struck on Monday off the southern province of Sarangani and has left at least 47 people dead and 688 injured, with 31 still missing. More than 45,000 people remained displaced, about half in emergency...