Detective Inspector Wallace said: “A man in his 50s received a head injury and wounds to his abdomen when he confronted a man in his garden in the Dundonald area of the city just before 9.30 am this morning.
“We would like to hear from anyone who may have seen a man aged in his 20s acting suspiciously in the Grangewood Road, Dunlady Road or Ballyregan Road area between 9am and 9.30amtoday.
“Anyone with information – or CCTV covering their house which could have captured images during the time period we are most interested in – should contact police on the non-emergency number 101, quoting reference 275 of 16/05/18.
“The victim is currently being treated in hospital for his injuries. His condition is not known at the moment.”