UPDATED 6.30PM: A man is dead following a bitumen tanker explosion at an earth works company in Otorohanga.

Emergency services were called to the scene at 1pm.

Northern fire communications shift manager Megan Ruru said the explosion covered the man in tar.

Despite efforts to revive him, he died at the scene.

Corboy Earthmovers director Brent Pevreal has declined to comment.  

Police are investigating on behalf of the Coroner.  Worksafe is also investigating.