A fire that started on a Denver-area school playground, injuring five people, prompting evacuations and damaging several businesses, was not intentionally started by humans, an investigation has concluded.
The fire sparked on Feb. 25 on the playground of Pinnacle Charter School in Thornton near 84th Avenue and Huron Street. Some students watched in fear as the fire grew outside the school windows that afternoon.
The fire damaged several businesses, including an auto shop, injured four firefighters and a resident, and grew to 10 acres before it was contained. On Monday, Thornton Fire Department officials said the exact cause remains unknown, but investigators “have found no indications of criminal intent” and the cause is currently classified as “undetermined.”…