An arson attack on a house in Larne in the early hours could have spread to neighbouring homes, according to police.
Firefighters were called to the Kylemore Gardens area shortly before 3.30am on Thursday.
It is understood an object was placed at the front door of a property and set alight, destroying the door and causing smoke damage to the interior of the house.
PSNI Detective Sergeant Toni Lenaghan said: “Thankfully, there was no one in the property at the time – however, the fire could have spread to neighbouring properties.
“Our enquiries are ongoing and I would appeal to anyone who witnessed anything suspicious, or anyone who may have information, to get in touch with police on the non-emergency number 101.
“Alternatively, information can also be provided to the independent charity Crimestoppers on 0800 555 111, which is 100% anonymous and gives people the power to speak up and stop crime.”