Two brush fires forced road closures along the Santa Cruz river in Tuscon, Arizona, on Thursday, June 7.These videos of the fires were captured by the Northwest Fire District. They show fires burning near the Silverbell and Sunset Dunes.Silverbell Road was closed from Ina Road to Sunset Road, with only residents being allowed access, the Arizona Daily Star reported. The fire, which spread quickly due to high winds, burned more than 40 acres in the area, according to the report. Credit: Northwest Fire District via Storyful