As unprecedented wildfires raged through Los Angeles, some firefighters suddenly lost access to water. City officials called one shortage a “worst-case scenario”—one they expect to see again in the future.

Los Angeles officials said a "tremendous" demand — four times normal levels — during the Palisades fire caused some hydrants to run dry.

Gov. Gavin Newsom of California ordered an inquiry into a loss of water pressure after it was revealed that a reservoir was offline when the fires started.

Gov. Gavin Newsom orders independent investigation into how the loss of water pressure left fire hydrants dry, hindering firefighting efforts in Los Angeles.

When fire hydrants ran dry during the Pacific Palisades fire, it sparked a wave of anger and even misinformation. Here’s how L.A.’s water system works and what we know about why the hydrants ran out.