One person has escaped injury after a petrol bomb was thrown at the front door of a house in west Belfast.
Emergency services were called to the incident at Norglen Parade shortly before 2.10am on Thursday.
The bomb sparked a fire which was extinguished by a neighbour before the fire service arrived at the scene.
The Police Service of Northern Ireland said the blaze could have resulted in "considerable damage to the property and endangered life".
Inspector Moutray of the PSNI said:
"Fortunately, the fire was extinguished by a neighbour prior to the arrival of colleagues from NIFRS, however, had it been given more time to take hold, it could have resulted in considerable damage to the property, and endangered life."
Enquiries into the incident are ongoing. Anyone who believes they may have seen suspicious activity in the area are being is being asked to call 101, quoting reference number 160 of 23/12/21.