A man has died in Dundalk Garda Station.
The Garda Síochána Ombudsman Commission said an investigation has been launched into the incident.
The person was in custody at the garda station at the time of the incident.
In a statement, GSOC said: "We received a referral under Section 102 of the Garda Síochána Act 2004 last night following the death of a person in custody in Dundalk. The GSOC team have deployed and inquiries are ongoing."