Dublin Bus is investigating footage which has emerged online of a row between one of its drivers and a cyclist.
A double decker on the quays appears to veer into the bike lane although the events leading up to that are unclear.
Dublin Bus says its drivers are trained to the highest standards and it's investigating the incident.
Spokesperson for the Dublin Cycling Campaign Mike McKillen says that even when a cyclist is in the wrong, unfortunately it's the driver who has to watch out:
