Gardaí confirmed that they have arrested a man for a public order offence and assault on Tuesday morning.
It is being reported that A paramedic was called onto a Dublin Bus to assist a man who became unconscious shortly before 8am.
It is believed that the man was on the 41 bus on Abbey Street at the time.
It is alleged that when the man regained consciousness, he became aggressive and attacked the paramedic who is believed to have sustained injuries because of the attack.
The man is currently in custody at Store Street Garda Station.
Statement from the Chief Fire Officer and Management of Dublin Fire Brigade following the assault on a crew member this morning. All at DFB wish our colleague a speedy recovery. pic.twitter.com/NkXhmWTBRr
— Dublin Fire Brigade (@DubFireBrigade) July 10, 2018
Dublin Fire Brigade released the above statement after the attack and said the incident was "totally unacceptable".
"We will support our colleague and wish him a full and speedy recovery. We will also assist An Garda Siochana in anyway we can."