Australia is deploying aircraft and a naval vessel to bring much needed humanitarian and disaster-relief aid to Tonga after a tsunami lashed the islands on Saturday. HMAS Adelaide will feature in the relief effort, bringing engineering and medical personnel and equipment, as well as helicopters to assist with logistics and distribution of humanitarian aid, Foreign Affairs Minister Marise Payne told 2GB on Tuesday. This comes after an undersea volcanic eruption, which occurred approximately 65km (40 miles) north of the capital, Nuku’alofa, triggered a tsunami that inundated much of the island nation, causing widespread damage and three confirmed deaths. According to a United Nations report on Tuesday, on the main island of Tongatapu, around 100 houses have suffered damage, with 50 completely destroyed. Also of concern are the Mango and Fonoi islands, where surveillance flights have shown significant damage to buildings, and on one island, in particular, Nomuka, 41 of the …