A derelict buidling has been sealed off in County Dublin as part of the investigation into a man’s disappearance more than 11 years ago.

Patrick Lawlor from Darndale in Coolock was 24-years-old when he was reported missing on December 16, 2004.

His disappearance has featured on Crimecall in the past.

As part of the investigation a further search is being carried out on the grounds of the now derelict Belcamp House, which is just off the Malahide Road in North Dublin.

Gardaí have started to prepare the site this morning and they expect to start searching on Monday for anything up to three weeks.

The result of the search will determine the future direction of the investigation.

Gardaí are appealing to anyone who may have information on the disappearance of Patrick Lawlor to contact Coolock Garda Station on 01-6664200 or the Garda Confidential Telephone Line 1-800-666-111 or any Garda Station.