The PSNI is investigating the death of a man in Co Derry.
The 46-year-old died in Magherafelt in the early hours of this morning.
A 32-year-old woman has been arrested and is helping police with their inquiries.
Detective Inspector Will Tate said that a post-mortem would take place in due course to determine the cause of death.
"We are treating this as suspicious at this stage," he added.