Police are investigating an "unprovoked verbal assault" on a firefighter which held him up on his way to a callout.
The volunteer firefighter was accosted on January 11 while responding to a callout in Russell.
A police spokeswoman said the firefighter was on foot in Matauwhi Rd when he was approached by a man "behaving oddly".
"The male abused the firefighter in an unprovoked verbal assault, and refused to let him pass," she said.