At approximately 1.50 am police received a report of this burglary.
It is not known at this stage if anything has been stolen.
“The occupants were not injured but were left badly shaken following the incident.”
A 32 year old man has been arrested on suspicion of burglary and remains in custody at this time assisting with enquiries.
Detective Sergeant Hollie McCartan said: “I would appeal to anyone who was in the Annadale Avenue area this morning and noticed any suspicious activity to contact police at Musgrave on the non-emergency number 101, quoting reference 70 of 01/10/19.
“Alternatively, information can also be reported to the independent charity Crimestoppers on 0800 555 111, which is 100% anonymous and gives people the power to speak up and stop crime.”