A number of drivers gathered in the grounds of City Hall on Thursday lunchtime.
Irish Congress of Trade Unions (ICTU) assistant general secretary Owen Reidy said it was a demonstration on behalf of the entire trade union movement to support the driver, who has been left shaken by the incident.
Images captured by Unite members from today's walkout and rally of hundreds of Translink workers following last night's attack on public transport services pic.twitter.com/e7RMB3VECO
“Theirs is an act of generosity towards their fellow bus driver who was shockingly attacked last evening and towards the brave police officers and journalists who were also assaulted while doing their job and serving the community,” he said.