The building was evacuated, following a report of a pram on fire.
A fire at a block of flats in north Belfast is being treated an arson attack.
It happened shortly after half past five this morning in a communal hall in the Woodvale Road area.
Police say the building was evacuated, following a report of a pram on fire.
Two people were treated for smoke inhalation.
Officers say it's being treated as deliberate and are appealing for information.