Four people have been treated for smoke inhalation following an arson attack on a property in Co Tyrone.
Detectives said it is believed that flammable liquid was poured through the letterbox of the house in Omagh on Wednesday.
A PSNI spokesperson said: “Shortly before 3.45am, it was reported that a fire had been started at a property in the Winters Grove area.
“Officers attended, alongside colleagues from the Northern Ireland Fire and Rescue Service, who had managed to extinguish the blaze, which is believed to have been started after flammable liquid was poured through the letterbox.
“The four occupants of the house were inside at the time of the incident, and were treated at the scene by colleagues from the Northern Ireland Ambulance Service for smoke inhalation.
“Extensive damage has been caused to the interior of the property as a result of the fire.”
The spokesperson added: “This was an extremely reckless incident, and we are grateful to our colleagues in the fire service for tackling this fire, which could have had very serious consequences for those affected.”
An investigation is underway, and anyone with information has been asked to come forward.
