There were believed to be around 150 workers at the factory in northwestern Turkey at the time of the explosion.
Crowds cheered as the sky over Auckland was lit up by fireworks to herald the arrival of 2020.
Fireworks might be pretty but they can have a unexpected environmental impact.
First fireworks ceremony since the 2016 deadly attack which killed 86 people watching a fireworks display on the beach.
New Year's Eve revellers were treated to a spectacular laser show in Mexico City instead of the traditional fireworks to cut down on air pollution.