A toxic tide of water from the SkyCity Convention Centre inferno is being swept into Auckland Harbour.
Auckland Council's regulatory compliance manager Steve Pearce confirmed there were concerns regarding the water run-off sweeping debris and contaminants into the harbour.
About 16 million litres of water have been used so far to fight the blaze.
More than 100 firefighters continue to battle the inferno, which has been burning since 1.15pm yesterday.
Source: NZ Herald