The accident happened on the Cobraen roller coaster, which is 82 feet tall and has a top speed of 44 miles per hour, according to the amusement park’s website.

AARHUS, Denmark — A 14-year-old girl died Thursday at a popular amusement park in northern Denmark, police said, when the back of a roller coaster derailed.

A 13-year-old boy suffered injuries to one arm, police said.

Henrik Ragborg Olsen, manager of the Tivoli Friheden theme park in Aarhus, Denmark’s second largest city, told local newspaper Aarhus Stiftstidende that “the two back seats” Cobraen roller coaster hung “under the wagon”.

Police said they received a call at 12:50 a.m. that a vehicle had stalled while traveling in Tivoli-Friedheden and several people were stranded. Two people were sitting in the back seats and were taken away by the Ministry of Emergency Situations, the publication reports. Ragborg Olsen told the Ekstra Bladet daily that the two were seriously injured and taken to hospital.

The accident happened on the Cobraen roller coaster and the park was closed, police said.

An investigation into the cause of the accident has begun, the police are interviewing witnesses.

The roller coaster has a height of 25 meters (82 feet) and the top speed of the cars is 70 kilometers per hour (44 miles per hour), according to the Tivoli Friheden website.

The amusement park is located in the southern part of Aarhus, 156 kilometers (97 miles) northwest of Copenhagen.

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