The unprovoked attack on the officer, who has only been in the job for a number of months, happened at around 6 o'clock yesterday evening on Capel Street.
The stabbing of a garda in Dublin city centre has been described as 'appalling' and 'unacceptable'.
The unprovoked attack on the officer, who has only been in the job for a number of months, happened at around 6 o'clock yesterday evening on Capel Street.
A man in his 20s was arrested and remains in custody while the garda was not seriously injured.
Political leaders, including the Taoiseach, have condemned the knife attack.
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