Half-Blood Prince Trailer Teases Potter Fans

Hogwarts hysteria is growing following the release of a new trailer for Harry Potter and the Half-Blood Prince - even though fans will have to wait another three months to see the film.The trials of teenage romance feature prominently in the latest big-screen installment of the hit series, which sees Daniel Radcliffe return to his role as the boy-wizard.Emma Watson and Rupert Grint also star in the eagerly-anticipated flick, which will open in the UK on July 17.It was initially due to have been released in November last year, but was delayed to give producers Warner Bros a summer blockbuster.View the Warner Bros. Harry Potter and the Half-Blood Prince trailer.In the glossy adaptation of JK Rowling's sixth novel of her seven-part saga, the Dark Wizard Voldemort is tightening his grip on both the Muggle and wizarding worlds.The Hogwarts School of Witchcraft and Wizardry is no longer the safe haven it once was - and Harry Potter begins to suspect that dangers lie within the castle.Meanwhile, headmaster Dumbledore is intent upon preparing the teenage wizard for the final battle that he knows is fast approaching.Danger may be looming, but that doesn't stop Harry and his classmates becoming embroiled in some good old-fashioned adolescent angst.