Footage shows the rider being held down on the ground at one point.
Deliveroo says it's carrying out an urgent review into an apparent attack on one of it's riders in Dublin.
Footage, which has been shared online, show a group of people surrounding the delivery rider in Temple Bar on Monday night.
The rider is held down on the ground at one point.
Deliveroo told the Herald it's carrying out an investigation into the "appalling incident".

Court Told Man Accused Of Knife Attack On Children Outside Dublin School Unfit To Stand Trial
Celbridge "Affordable" Homes Come With Council Equity Stakes
Lucan Woman Pleads Guilty To Sending Threatening Messages To Tanaiste
Over €4 Million In Suspected Cocaine Seized In Kildare And Wicklow
Kildare Student’s Veterinary Dream In Doubt As School Struggles Without Basic Facilities
Speeds Limits On Two Of Carlow's Busiest Roads Reduced From Today
Over 100 Gardaí In Dublin And Wateford Issued With Tasers Today
Spain To Launch €60 Unlimited Travel Pass As Irish Campaigner Calls For Better Service Frequency