A massive tornado has swept through New Zealand's largest city - Auckland, killing at least one person and injuring about 20 others. <br /> <br />It wreaked havoc in the city, tearing off buildings' roofs, flattening trees and overturning dozens of cars. <br /> <br />As Bhanu Bhatnagar reports, the tornado is just the latest of a string of natural disasters New Zealand has endured in recent months.
