Commuters on the Hunter line are being warned to expect major delays due to a protester aboard a coal train.

Zelda from Blockade Aus is in a hazmat suit and on top of the train, shovelling coal off and back “into the earth”.

A police operation is underway.

#BREAKING Commuters are being told to expect MAJOR delays with Hunter Train line services suspended due to a police operation. Zelda from Blockade Aus is in a hazmat suit and on top of a coal train shovelling coal off the train and back "into the earth" @nbnnews @9NewsSyd pic.twitter.com/vHpCgpDBb3

— Olivia Grace-Curran (@livgracecurran) November 11, 2021