A man in his 20s remains in garda custody in connection with the fatal shooting of a 35-year-old man in Dublin last Friday.

Christopher Warren, from St Teresa's Gardens, sustained gunshot wounds to the chest.

He was pronounced dead at St James's Hospital shortly after being dropped at the Emergency Department.

A car, believed to have been used to transport him there, was later found abandoned on Cork Street in Dublin south inner city.

The exact location where the shooting took place is not yet known.

An area near the Broadstone Bus Station remains sealed off.

The man is being held at Kevin Street Garda Station.

Gardaí have appealed for any witnesses who were in the area between 6pm and 7pm on Friday and who heard or saw anything suspicious to contact them.

They have also appealed to anyone who saw the injured Mr Warren being dropped off at St James' Hospital.

He was dropped off in a blue Mercedes C180 car around 7pm.

Or if anyone saw the car in Cork Street where it was abandoned, they are asked to contact Mountjoy Garda Station on 01 666 8000.