It comes amid calls for a greater Garda presence in the capital, following a number of high-profile attacks on tourists in recent weeks.

The officer's condition is described as critical but stable.

Trooper Kearney was seriously injured in the attack that killed Private Seán Rooney.

The teacher was killed on the Grand Canal in Tullamore while out for a run.

Officials say the suspect was shot several times by police and has been taken to hospital.

The Defence Forces says medical staff are satisified with his continued and steady progress, and have thanked people for their support.

23 year old Private Seán Rooney was killed in action last night.

Michael Glennon, IFA Sheep Committee Representative and Roscommon sheep farmer, says that these incidents are extremely worrying for farmers.