A senior bureaucrat charged over what has been touted as one of the worst cases of public corruption in the country was rushed to hospital on Sunday afternoon after an "incident" at his Mosman Park home.

Police, ambulances and emergency services including a HAZMAT team were called to the mansion on Johnston Street, the home of the Whyte family, that only days earlier was raided as part of a public sector corruption probe.

Police, ambulances and a fire crew rushed to the luxury Mosman Park mansion where Paul Whyte lives. Credit:Nine News Perth

Paul Whyte was charged on Thursday over a $2.5 million rort using a false invoicing scheme.

He was rushed to Sir Charles Gairdner Hospital where his condition is not yet known.