Aerial video of the Northwood house destroyed in Friday's gas explosion. An aerial video of the explosion at a house in Christchurch has shown the extensive damage caused by the massive blast. The blast caused roof tiles and insulation to rain down across the neighbourhood. JOHN KIRK-ANDERSON/STUFF The blast caused roof tiles and insulation to rain down across the neighbourhood. READ MORE:* Live updates: Multiple injuries in gas explosion at Christchurch house* 'Our worst nightmare,' family says* Christchurch explosion: What you need to know* Christchurch explosion: Witness video shows burning debris, dazed survivors* Gas explosions 'not that common' but poor installation could lead to death* What people saw and felt when an explosion destroyed a Christchurch house

Source: Stuff July 19, 2019 02:37 UTC