Rollercoaster accident in Sweden leaves one dead

A rollercoaster accident at an amusement park in Sweden has killed one person and injured at least nine.

The ride at the Gröna Lund park in Stockholm is reported to have partly derailed, according to witnesses. The Jetline rollercoaster reaches a height of 30m and a speed of 90km/h.

The park was evacuated after the accident and police and emergency services were called to the scene.

The park's chief executive, Jan Eriksson, declared a "day of mourning".

"Something like this should not happen at Gröna Lund, and yet it happened," he said,