Update 8.00pm: The man who died following a Dublin city centre shooting has been named locally as 53-year-old David Douglas from Cabra.
Gardaí have said that he was shot up to four times in the head and chest.
The victim survived a murder attempt last year when he was shot three times near his home.
Gardaí have recovered a handgun at the scene of the shooting.
The gunman is believed to have left the scene in a silver/grey coloured Mercedes Benz CLA, registration number 161D26702. This car was driven by a second male and was the subject of an unauthorised taking from the Navan Road area on Thursday June 23 2016.
An incident room has been established at Kevin Street Garda Station and a Garda Family Liaison Officer has been appointed in this case.
Superintendent Patrick McMenamin, Kevin Street is appealing for witnesses or anyone with information, particularly those who may have been in the Bridgefoot Street/Thomas Street/James’ Street area between 4pm and 4.30pm this afternoon or who may have observed the silver/grey Mercedes Benz CLA between June 23 2016 and this afternoon prior to its arrival in the Bridgefoot Street area and subsequent discovery at Spitalfields, to contact Gardaí at Kevin Street Garda Station on 01 6669400, The Garda Confidential Line, 1800 666111 or any Garda Station.
Update 7.30pm: Gardaí in Dublin have launched a murder investigation following the fatal shooting of a man in Dublin city centre.
Superintendent Patrick Ceriman, has given a description of two men they believe were involved in the attack.
"We believe there were at least two people involved, tall and thin is the only description we have at this stage. We are currently talking to witnesses and trying to establish a more definite description."
Earlier: A man in his 50s has been critically injured in a shooting in Dublin city centre.
It happened at 4.10pm on Bridgefoot Street when a male pedestrian was approached by a gunman and shot a number of times.
It is understood one gunman was involved. He initially fled on foot.
The injured man has been taken to St James' Hospital.
Dublin Fire Brigade is also attending a burned out car around the corner from the scene.
Bridgefoot Street is currently closed and gardaí in Kevin Street are appealing for witnesses to contact them on 01-6669400, or on the Garda confidential line 1800-666-111.