NEW : Prime minister says government will not abandon Christchurch . The prime minister's office has confirmed that the Government is still in charge of emergency services and it remains committed to providing support for those affected by the earthquake. A 7.0-magnitude earthquake hit the east coast of the South Island early Saturday . Roads and buildings were damaged .
NEW : Prime minister says government will not abandon Christchurch . Two people are being treated for serious injuries . A 7.0-magnitude earthquake hit the east coast of the South Island early Saturday . Roads and buildings were damaged .