Tonga remains virus free as latest suspects test negative and aircraft ban comes into effect
'Oku kei hao pe 'a Tonga he'ene a'u mai ki he 'aho ni' mei ha puke 'I he Koviti-19 pea ko e hili ia hono fakaha kuo kakato e ngaue kia kinautolu kotoa ne fakamavahe'i 'a ia ko e toko 400.