Japanese magician Keiichi Iwasaki secured a golden buzzer from Ant and Dec on Britain's Got Talent with a routine of tricks and illusions which left the audience speechless.

The 49-year-old threw his hands up in the air and shouted in disbelief after the presenting duo ran on-stage to hit the button, which ensures he goes straight through to the live semi-final, and glittering confetti fell from the ceiling.

Iwasaki arrived on-stage for the Saturday evening show with his bicycle and quickly won over the judging panel of Simon Cowell, Amanda Holden, Alesha Dixon and David Walliams with his quirky personality.

Simon Cowell

He then brought Ant and Dec, who he called "Dec and Ant" to the delight of the audience, on-stage at the London Palladium for a series of card tricks.

Dixon then joined him as his routine culminated with him making a ring hover and spin in the air.

"You are the nicest person we have seen and the most magical person we have seen all combined in one," said Walliams.

Holden told him: "I love it. You are funny, you are quirky, you were very, very charming and your magic was absolutely excellent."

Cowell added: "My son is going to love you."