A man (18) is being questioned over an incident in Tipperary which has left another man critically ill in hospital.

The victim (66) suffered head injuries in a row with another man at his home at Kilcaroon in Ballyporeen just before 2:45pm yesterday afternoon.

He was rushed to South Tipperary Hospital in Clonmel and later transferred to Cork University Hospital.

The scene of the incident has been sealed off for a technical examination.

The man being questioned was arrested in Cahir and taken to the local garda station where he is being held under section 4 of the Criminal Justice Act.

Investigations are on-going, and witnesses or anyone with any information is asked to contact the gardai in Cahir on 052-7445630, the Garda Confidential Line on 1800-666-111 or any garda station.