Neptune Aviation tanker 12 makes a retardant dump the fire line east of Cactus Avenue east of Gilman Springs where the fast-moving vegetation fire started, driven by wind in the Moreno Valley area Friday afternoon, April 3, 2026. (Photo by Terry Pierson, The Press-Enterprise/SCNG) Terry Pierson TNS The Springs fire, which ripped through more than 4,000 acres in the Moreno Valley area on Friday and forced mass evacuations, was 45% contained by Saturday morning, fire officials announced.