pWildfires have been scorching Port Hills, south of Christchurch, New Zealand, for almost a week.ppThis timelapse video captures the development of the fires over a period of three days.pbr pThe blaze, which first broke out on February 13a, has destroyed homes and prompted the evacuation of hundreds of people, and a pilot died when his helicopter crashed during a fire extinguishing operation on Tuesday, The Telegrapha reported. More than 130 firefighters and the militarya have gone into action to combat the flames.pbr pA state of emergency was declared in the city and the neighbouring Selwyn District, BBC reporteda.