KEY POINTS:
A Wellington bus driver has been left traumatised after being threatened with a knife for cash.
The offender used the emergency door release to board the bus on Darlington Rd, Miramar, at about 10.10pm on Thursday.
He grabbed the bus cash tin before running away.
Police are looking for a dark skinned male, medium build, 18-25 years of age and about 175cm tall.
