Sydney's Westfield Bondi Junction has been thrown into chaos after a man died at the busy shopping centre.

David Jones shut its doors and shoppers were ushered away after the man's death.

Police spoke to several witnesses at the scene and taped off an area near a balcony.

Some shops are expected to remain closed for the rest of the day as detectives investigate.

A second person was treated by paramedics for minor injuries.

The man's death is not being treated as suspicious.

Police taped off an area of the centre after the man's death. (9NEWS) (9NEWS)

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