Update 7.30am, Monday, March 13: Martin Heffernan has been found safe and well.

Earlier: Gardaí have asked for the public's help to find missing man Martin Heffernan.

The 49-year-old, who was last seen on Friday, March 11 at St James' Hospital in Dublin.

Martin lives in Chester in the UK but is originally from Co Tipperary.

He is described as 6'1'', with short brown hair and clean shaven.

He walks with a slight limp and wears glasses.

When last seen he was wearing a black suit, black shoes and a light coloured shirt and was carrying a back pack.

Anyone with information is asked to contact Kilmainham Garda Station on 01 666 9700 or the Garda Confidential line on 1800 666 111.