A man has been rescued from the sea in Dublin Bay this afternoon.

Emergency services were alerted by the man's friend after he did not return to the shore from a swim off Dalkey island this morning.

RNLI lifeboats from Dún Laoghaire and the Coastguard rescue helicopter were tasked to the scene at around 11 o'clock.

The Coastguard has confirmed they managed to rescue the man this afternoon.

He has been taken to Tallaght Hospital for treatment, however his condition is not known.