Vanuatu’s capital is without water after reservoirs were destroyed by a violent magnitude 7.3 earthquake that wrought havoc on the South Pacific island nation, with the number of people killed and injured expected to rise.

Three of Tonga’s smaller islands have suffered serious damage from tsunami waves, officials and the Red Cross say, as a wider picture begins to emerge of the destruction caused by the eruption of an undersea volcano near the Pacific archipelago nation.