A man in his 20s is dead after falling six stories onto the crowded atrium floor of the Owen Glenn Building at Auckland University.

Emergency services were called to the business school on the corner of Grafton Rd and Symonds Street at 11:05am.

They confirmed a man in his 20s had died at the scene.

Police inspector Willie Taylor said the there was a "crowd" of people inside the building when the man fell.

Witnesses were being offered victim support services, he said.

The death was not being treated as suspicious.

- Herald Online