The director of Harry Potter and the Goblet of Fire (2005) says it will be the most expensive movie ever made.

Mike Newell, whose previous films include Four Weddings And A Funeral, says the fourth Potter instalment will cost around £168 million, making it even pricier than the Lord Of The Rings trilogy.

Newell admits the movie is "a colossal undertaking" for him, reports Teletext.

He said: "These things are not like ordinary films, they are world events. I have millions of 10-year-olds who must not be disappointed."

Newell has been in Paris, trying to find a French actress to play Hagrid's giant love interest, Madame Maxime.

Source: Press Release