Police in Cookstown are investigating an assault in a car park on the Drum Road which left a man unconscious.
Constable Jonathan Cunningham said one person has been arrested and has been released on bail pending further enquiries.
He added: “A man fell to the ground and was knocked unconscious after he was punched by another male sometime around 1.30am on January 18th.
“One person has been arrested and has been released on bail pending further enquiries. Police are keen to speak to anyone who may have witnessed anything.
“They are particularly keen to speak to anyone who may have witnesses an incident involving a female in a red dress prior to the assault. If you can help Police with their enquiries please call the 101 number, quoting reference number 17018115. Alternatively please call the independent Crimestoppers charity on 0800 555 111.”