One person has been killed and seven injured, including children, in a roller-coaster accident at a Stockholm amusement park. 

Public broadcaster SVT, citing eyewitnesses, said the Grona Lund amusement park’s Jetline roller-coaster had partly derailed during a ride.

“This is tragic and shocking, and regrettably we’ve learned that one person has died,” Grona Lund spokesperson Annika Troselius told public broadcaster SVT.

Ambulances, fire trucks and a helicopter were seen arriving at the park, and police said they were investigating.

Police said there were children and adults among those injured but declined to comment on the extent of the injuries.

Sweden’s Culture Minister Parisa Liljestrand said news of the accident was incomprehensible.

“My thoughts are with those that were affected as well as their families and loved ones,” Ms Liljestrand told TT news agency. 

Grona Lund said in a statement that the 140-year-old park was closed until further notice.

Jenny Lagerstedt, a journalist visiting the park with her family, told SVT she was nearby and heard a metallic noise and noticed the track structure was shaking at the time of the accident.

“My husband saw a roller-coaster car with people in it falling to the ground,” Lagerstedt said.

“My children were scared.” 

The steel-tracked Jetline roller-coaster reaches a speed of up to 90 kilometres per hour and a height of 30 metres, transporting more than one million visitors each year, the amusement park says on its website.

Reuters