Fireworks exploding in the sky
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World's heaviest firework set off

13 October 2014 Last updated at 08:37 BST

The world's heaviest firework has been set off in the city of Konosu in Japan.

The rocket weighed 460kg and was launched as part of a festival.

The explosion made a rosette of light that was 800 metres across.

The record was certified by a Guinness World Records official.