The body of a woman has been found at an apartment in Navan in Co Meath.
The body was discovered at Bective House at Beaufort Place shortly after 7pm.
The woman is believed to have been in her early 30s and from eastern Europe. Her body is still at the scene.
It is understood two children were in the apartment at the time.
The area has been sealed off and gardaí are treating her death as suspicious.
A man in his mid 30s has been arrested. He is currently receiving medical attention in hospital.
The office of the State Pathologist has been notified.
Anyone with any information is asked to contact Navan Garda Station.