Immediately afterwards,ashen-faced ministers,including the Deputy Premier,Carmel Tebbutt,and the Treasurer,Eric Roozendaal,were in deep discussion outside the Premier's office on level 8 at Parliament House,as a crisis meeting unfolded inside.
Earlier,fellow MPs had reported hearing a loud argument in Mr Campbell's parliamentary office following question time.
A Channel Seven news report suggested Mr Campbell had resigned after questions were put to him about using his ministerial car to visit a gay sex club,Ken's at Kensington.
On its website,Ken's describes itself as a gay sauna''just minutes from Oxford Street''and''the spacious,clean and safe place to meet sexy guys''.