Australia and New Zealand kicked off in the new year today with a spectacular fireworks display in Sydney, sending rainbow-coloured showers into the night sky and defying the global terror attacks that cast a pall over 2016. <br/><br/>Around 1.5 million people packed Australia's biggest city to watch as the midnight fireworks erupted from Sydney Harbour Bridge, with the extravaganza beamed to television sets and phones across the world.