Emergency services are currently at the scene of an incident in the Ballysally area of Coleraine.
Paramedics, police, and fire crews have been attending the scene since this afternoon.
A PSNI spokesperson said "Police and emergency services are currently in attendance following the sudden deaths of two men at an address in the Elms Park area of Coleraine this afternoon (Monday, 29th November).
There are no further details at this stage."
Local MLA Maurice Bradley said he is shocked by the news that two people have died in the Ballysally area of Coleraine. Bradley said: “This is heartbreaking news coming on the month of Christmas, and brings unwanted heartache to two local families.
"I would take this opportunity to express my sincere condolences to both families and offer heartfelt prayers at this time of sadness.
"I would also pay tribute to the emergency services who, once alerted, were quickly on the scene.
"Until investigations are complete, the cause of this tragedy will not be known.
I’m sure the people of Ballysally will rally round as a community to offer support at this very difficult time", said Bradley."
UPDATE : The two men who were found dead in Coleraine on Monday afternoon have been named locally as Russell McAfee (60) and Nigel McGraw (53)
Picture : Steven McAuley / McAuley Multimedia