Meanwhile, millions of litres of pooled water was being pumped out of the building's basement and into the Auckland Harbour.
A St John Ambulance spokesman said no one from the scene of the fire had been injured or taken to hospital on Thursday.
One was taken to hospital in a serious condition after suffering an unrelated medical event on Tuesday and another was taken to hospital in a moderate condition after they were struck by a piece of falling roof on Wednesday.
The roof burned until all its flammable layers were consumed.Last night the fire was an inferno in the darkness.Smoke rises from central Auckland.Smoke pours from the building as the fire rages on. Amid the chaos of the fire, life begins to return on Auckland CBD's streets. The charred remains of the building's roof panel.The convention centre's roof is left mangled by the fire.A jet of water is fired at the roof of the building.A crew surveys damage to the roof at the convention centre.Firefighters on the roof on Thursday evening.The roof of the centre is showered with water from several hoses.Firefighters attack the smouldering ashes with hoses.Fire fighters examine the damage as the blaze continues.Fire crews begin the process of securing the facade of the convention centre.Bystanders watch the fire from the street in Auckland CBD.People near the fire wore masks as protection from the toxic smoke.Firefighters rest after a shift fighting the blaze.
