A pensioner was bound up and locked in a room during a burglary in Lisburn that police believe may be linked to a similar incident which occurred just hours earlier.
The man, aged in his 70s, awoke at 1am on Saturday to find two men in his room at the Glenavy Road.
The men are both thought to have been carrying firearms.
The man required medical treatment for shock after being left “very shaken”, police said. He was otherwise uninjured and nothing is believed to have been taken from his home.
A few hours earlier at around 9.30pm four masked men armed with a screwdriver threatened a family and locked them in a room of their home at Laurehill Road.
The gang stole items including money and jewellery.
A woman in her 50s was treated for shock after the burglary while the man, also in his 50s, a woman in her 20s and a teenage boy were left uninjured.
Police said they believe the incidents are linked and have appealed for information.
The Lisburn ordeals follow the aggravated burglary of a pensioner’s home in Dollingstown near Lurgan on Thursday night.
A man, aged in his 80s, returned to his home with a male relative, aged in his 70s, at around 9.45pm to find three males in the house.
The younger man was threatened with a screwdriver. Neither of the victims were injured.
Lagan Valley MLA Jonathan Craig, who is a member of the Policing Board, said people will understandably be concerned but added that police will do all in their power to catch those responsible.
“These criminals are terrorising individuals and communities,” said Mr Craig.
“But people can be reassured that the police have detectives on these cases and ultimately they will catch these individuals. My thoughts are with those affected.”
Mayor of Lisburn Margaret Tolerton said she was appalled at the nature of the attacks.
“It’s just horrific, I am shocked to hear what has happened,” she told the News Letter. “What gives these people the right to go into other peoples homes, lock them up and take whatever they want?
“My sympathies go out to the victims of these robberies. I urge anyone with any information to go to the police.”