Top Fire in Riverside fully contained

Fire crews in Rivierside County have put out a brush fire that sprang up in Riverside Saturday, as the region's continuing heat wave is causing trouble for fire crews across the area.

The fire, dubbed the Top Fire, broke out around 4:30 p.m. near Poarch Drive and Hill Top Drive in Riverside, Cal Fire reported. 

The fire burned around 49 acres and was fully contained around 9 p.m, according to authorities.

Threatened structures were not damaged and no injuries were reported. 

The cause of the fire remains under investigation.