Witnesses say the Jetline rollercoaster partly derailed during a ride
One person's died and several others are injured after a rollercoaster accident in Sweden.
It happened at Stockholm's Grona Lund amusement park and witnesses told SVT that the theme park ride had partly derailed.
The park's been closed and police have started an investigation.
"We are emptying the park and we've started our investigation," a police spokesperson said.
They added: "Seven people were injured in connection with the accident and are now being treated in hospital.
"It concerns both children and adults. The extent of the damage is unclear.
"The police continue to assist the rescue service in the rescue work and, in parallel, have begun the work of investigating what caused the accident."
A black banner on the park's website said: "A serious accident has taken place on the Jetline. We are working with the rescue services. The park is closed for now."
