Detective Inspector Natalie McNally said: “Police received a report at approximately 7.20 pm that three masked men had gained entry into the property in the Stranmillis area.
“One of the men was believed to have been armed with a knife.
“It’s understood that the male occupant, who was the only person in the house at the time, was threatened by one of the males but was not injured during the ordeal.
“All three males subsequently fled empty handed.
“Detectives at Musgrave are asking for anyone who may have witnessed suspicious activity between 6.45pm and 7.15pm in the area, or who may have information which could help with their inquiries, to contact them on 101 quoting reference 1232 of 21/11/2017.
“Information can also be given anonymously through the independent charity Crimestoppers on 0800 555 111.”