Entire villages on one of Tonga’s small outer islands have been wiped out by the tsunami that followed Saturday’s massive volcanic eruption, which killed at least three people, the Tongan government said on Tuesday in its first update since the tragedy struck. The three known fatalities from the tsunami are a 65-year-old woman on Mango Island, a 49-year-old man on Nomuka island, and a 50-year-old Briton identified as  Angela Glover on Tongatapu Tonga’s main island, whose body was found on Monday. Glover was reported missing after being swept away by the tsunami while attempting to rescue her dogs. The tsunami destroyed all homes on Mango Island, leaving only two on Fonoifua, while Namuka sustained “extensive damage,” the government said in a statement released by its Consulate on Twitter. On the western side of Tongatapu, 56 houses were damaged in some areas. Several houses on Kolomotu’a and ‘Eua islands were also damaged. …