A 15-year-old girl is dead in Bradford, Ont., north of Toronto, after an apparent accident on a soccer field.

The girl was playing on the field with a friend when she became trapped under the crossbar of an overturned soccer net, according to South Simcoe police, who were called to the scene at about 3:30 p.m. ET.

Police said her friend tried to lift the net, but it was too heavy. She called 911 and the girl was transported to a local hospital, where she succumbed to her injuries, according to police.

Police said they are investigating what caused the soccer net to tip over.

bradford-field-20140730

The girl was playing on the field with a friend when she apparently became trapped under the crossbar of an overturned soccer net, according to South Simcoe police. (Tashauna Reid/CBC)

"We know for a fact she was pinned under the bar, as to how she became underneath it and how the net came into position it was is part of our investigation," said Sgt. Sean Willan. 

Police would not say if the net was anchored to the ground. The field is closed for the investigation. 

No one else was on the field at the time and the nearby community centre was closed. 

With files from the CBC's Tashauna Reid