Video footage shows the extent of an explosion at a house in Christchurch. A gas explosion has destroyed a house in the Christchurch suburb of Northwood. READ MORE:* Multiple injuries in gas explosion at Christchurch house - live updates* House destroyed in 'massive' explosion at Christchurch house* Christchurch gas explosion: Witness video shows burning debrisSCENE OF CARNAGEFootage taken by eyewitness James Looyer reveals a scene of utter carnage, with one house, number 9 Marble Ct, almost entirely demolished and adjacent properties badly damaged. The piped gas supply to the affected area has also been shut down by supplier Elgas, whose technicians are understood to be monitoring the area. Staff from Christchurch City Council are also at the country club, offering assistance to anyone with dogs that have been affected by the explosion.

Source: Stuff July 18, 2019 23:50 UTC