Crews battle brush fire on Northwest side near River and Shannon

UPDATE 1:35 p.m.

Northwest Fire shared via social media that the fire is under control and crews will remain at the location in the Rillito to manage hot spots.

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Northwest Fire crews are battling a brush fire near Shannon and River Roads.

The department says the fire is about 20-30 acres in the Rillito River.

They say no structures are threatened but they are asking people to avoid the area.