If you’ve been looking at the news footage of Tonga post-tsunami and wondering how to help, Mayor Lianne Dalziel is encouraging Christchurch residents to donate funds via Red Cross:

Mayor Lianne Dalziel urges Christchurch to show its support for Tonga : Newsline (ccc.govt.nz)

This is the link for the NZ Red Cross: New Zealand Red Cross

You can also donate via donation boxes at Tūranga and some suburban public libraries.