Garda Commissioner Nóirín O’Sullivan has ordered the Emergency Response Unit (ERU) and an extra 27 uniformed gardaí into north Louth in response to the murder of Garda Tony Golden.

It is exactly two years to the day since Garda Adrian Donohoe was shot dead.

It has only been two years, but already the annual candlelight walk in memory of Adrian Donohoe has the feel of a deeply embedded tradition.

A pedestrian aged in his 30s has died after he was knocked down by a Garda patrol car in Co Louth overnight.

Garda Commissioner Martin Callinan has told the killers of Detective Garda Adrian Donohoe to “keep looking over their shoulders”.

Gardaí have issued a stark warning to criminals on the fringes of the gang that murdered Detective Garda Adrian Donohoe: Come forward or face a 40-year jail term along with the killers.

It would be very difficult to exaggerate the depth of public revulsion at the murder of Detective Garda Adrian Donohoe.

Gardaí said there was “no doubt” the killers of Detective Garda Adrian Donohoe knew he was a garda when they shot him dead without warning.

Prayers are being said at Masses across Ireland today for murdered police officer Adrian Donohoe.

A Garda officer shot dead during a robbery in Co Louth was part of a dedicated police family – his widow, two brothers and extended family are also members of the Gardaí.

Garda detective Adrian Donohoe, who was shot dead during a credit-union robbery last night, was dedicated, diligent and hugely popular, senior officers said today.

The Taoiseach Enda Kenny has described the fatal shooting of a Garda detective in Co Louth as "cold-blooded violence", while Justice Minister Alan Shatter called it a "callous and barbaric event" .

Tributes have poured in for a Garda detective who was shot dead in Co Louth last night in a botched hold-up.

A manhunt was underway tonight after a Garda detective was shot dead in in a botched hold-up.

A detective garda was shot and killed last night during an armed raid on a credit union in Dundalk, Co Louth.

A Garda detective has been shot dead tonight during a botched hold-up in Dundalk, Co Louth.

A Garda forensic expert has told the trial of a man accused of murder, assault and hijacking, that he found a meat cleavers in a burnt out car which was allegedly involved in the events.

The main witness in the case of a man on trial for murder, hijacking and assault has told the jury that he broke his silence on the events, because he wanted the victim's family to “know what he knew”.

Gardaí have arrested two men after a number of stunguns and a bomb were recovered in County Louth.