Police are investigating three suspicious fires in Christchurch overnight.
Around 7.40pm last night emergency services were called to a fire in an abandoned house in Mairehau.
The second occurred at a block of unoccupied flats and was reported around 5.40am today.
Then at 6.15am, a shed fire was reported at an address in Richmond.
Detective Inspector Greg Murton said all three fires were being treated as suspicious.