A 16-year-old boy and 15-year-old girl have been arrested as part of the investigation into the murder of a Polish national in Maghera.
Piotr Krowka, who was 36, was found dead at a derelict property on the Glen Road on Tuesday, April 3.
He had suffered serious injuries.
PSNI Detective Inspector Ashley Wright said: “A 16-year-old male has been arrested on suspicion of murder. A 15-year-old female has been arrested on suspicion of withholding information.
“Both youths were detained in the Maghera area this morning. Both remain in custody at this time.”
Police believe Mr Krowka was killed four days before his body was discovered.
