Update: Mtz/rru/kirby Fire in Riverside County - May 19 status

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Updated: 6:09 p.m. May 19

First discovered: Less than an hour ago, 5:47 p.m. May 19

Initial location: Riverside County, Calif.

Fire type: Wildfire

Fire name: Mtz/rru/kirby

Mtz/rru/kirby Fire initially started today at 5:47 p.m. in in Riverside County, California.

It has been burning on private land for less than an hour. There is no update on the containment progress of the fire and its cause remains undetermined.

Source: National Interagency Fire Center

United Robots Sacramento

This story was originally published May 19, 2026 at 6:15 PM.