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A woman in her 20s has died after a gum tree branch fell on her while she was sitting in the shade on a sunny afternoon in the North Adelaide parklands.
Emergency services rushed to War Memorial Drive, near the CBD, about 2.30pm after the freak accident.
A woman who was sitting underneath the branch died in the park.
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Metropolitan Fire Service's Declan Dwyer said his crew got to the scene within a few minutes of the tree branch falling.
"Knowing there was a person trapped we were going to have to swing into life support and first aid but unfortunately there was nothing we could do," Dwyer said.
A staff member who was working at a childcare centre opposite the park said she had to rush all of the children inside after they were told something had happened.
"It appears this lady, she was doing nothing more than sitting on the lawn having something to eat," the childcare worker said.
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Adelaide City Council told 9News staff regularly checked the gum trees to assess their health and safety.
It's understood this specific tree was inspected not long ago.
The council will undertake an official investigation into the incident.
War Memorial Drive was closed to traffic but has reopened.
