A post-mortem is to be conducted on the body of a man found lying on a street in Limavady.
The man, aged 69, was later declared dead at the scene.
A PSNI spokesperson said: “A post-mortem examination is to be carried out to determine the cause of death of a man aged 69 in Limavady.
“At around 10pm on Sunday, police on patrol at Connell Street were alerted by a member of the public to a man lying on the street close to commercial premises. He was declared dead at the scene.”
Chief Inspector Catherine Magee said police are treating the death as unexplained, pending the outcome of the port-mortem examination.
She appealed for anyone who was in the area and has information that would be relevant to contact police in Limavady on the 101 non-emergency number.