A man in his 20's in a critical but stable condition after being found lying injured on a footpath in Cookstown.
Police say the man had suffered a head injury and was discovered on Chapel Street at around 2 this morning,
A man in his 30's has been arrested in connection with the investigation.
Officers are carrying out investigation at the scene this morning to figure out exactly what happened.
Detective Sergeant McGale said:
"Shortly after 2am police received a report of a man who was lying on the footpath, where Chapel Street meets Loy Street, and had sustained a head injury."
"Police attended the scene, and officers administered advance first aid prior to the arrival of the Northern Ireland Ambulance Service who subsequently transferred the man to hospital."
"The man, aged in his twenties, remains in hospital where his condition is described as critical but stable at this time. "
"We have arrested a man, aged in his thirties, as part of our investigation and he remains in custody assisting us with our enquiries. "
"Our officers remain on scene this morning carrying out their enquiries as we work to establish exactly how the victim was injured. "
"We are keen to speak to anyone who believes they may have seen the victim prior to when he was discovered injured."
“I would also appeal to anyone who was on Chapel Street prior to, or around the time the report was made to us, or anyone who was driving and may captured what occurred on their dashcam to get in touch with us."
"I would appeal to anyone who has any information, no matter how insignificant you think it may be, to call our detectives on 101, quoting reference number 247 of 24/11/19. It could help us establish exactly what happened to this young man."