Three men have been arrested after a fire badly damaged three houses in Co Down.
The men were detained in Downpatrick. No one was understood to have been in the properties in Valencia Place, Newcastle, last night.
Elsewhere, the PSNI and Fire and Rescue Service are investigating a fire that damaged a community hall in Newry, Co Down.
The fire was discovered at around 2am on the ground floor of the building in John Mitchell Place.