Pics:New Zealand's Auckland first world city to bring in 2017

Polynesia and Pacific islands including Samoa, Tonga and Kiribati entered 2017 at 11.00 a.m. (Auckland time), BBC reported.Many cities around the world have stepped up security for New Year's Eve celebrations, after a year in which attackers drove lorries into crowds in Berlin and Nice.In Paris, Madrid and New York, concrete barriers and heavy goods vehicles will be used to block off central squares where crowds gather to celebrate, the BBC said.