New Zealand's Dunedin airport has been closed after a suspicious device was reported on the airfield. The police, in a statement, said that specialist teams have been deployed to determine the nature of the package. Local media reported that the staff were sent home and the flights were either cancelled or diverted. <br />''<br />''<span style="color: #222222;">New Zealand is currently on a state of vigilance after a gunman, who is believed to have lived in Dunedin, killed 50 people in two mosques packed with worshippers.</span><br />