Concerns are growing for a 50-year-old British charity worker who was swept away by Tonga’s historic tsunami. Concerns are growing for a British aid worker in Tonga after another massive eruption erupted last night, causing a once-in-a-lifetime explosion that ripped through the island and was visible from space. Angela Glover, 50, was last seen in person by her husband James on the Polynesian island of Veitongo when a wall of water smashed through their coastal home. Concerned relatives in Australia have taken to social media to ask for updates on the former advertising executive’s condition and whereabouts. ‘URGENT! If anyone…