90,000 Under Mandatory Evacuation Order inSilverado Fire in Irvine, Orchard Hills and Tustin, Orange County

The Silverado fire has "exploded" in size authorities said Monday night. 90,000 people living in North Eastern Tustin and Irvine have been urged to evacuate. Three firefighters have been critically injured. "Irvine evacuation, Tustin on alert," KTLA reported at 6:40 pm PST. "The Silverado Fire is currently 0% contained, says the Orange County Fire Dept.

" 90,000 people evacuated in Irvine? That's huge. Where do you out 99,000 people in a state already ravaged by fire?" wrote one local resident.

"150 firefighting units are working the #SilveradoFire. 20-30 mph erratic winds that can reach up to 60-70 mph. Approximately 20,000 homes evacuated," tweeted the Irvine Fire Dept.

The story from KABC is as follows:

IRVINE, Calif. (KABC) -- Amid red-flag conditions brought on by gusting winds and dangerously low humidity, the Silverado Fire raced across terrain in the Santiago Canyon area near Irvine, forcing mandatory evacuations in the Orchard Hills community, threatening structures and blocking key roadways through the region.

Mandatory evacuation orders were issued for the Orchard Hills community north of Irvine Boulevard from Bake Parkway to Jamboree Road, according to a statement from Assemblyman Steve Choi. The evacuation order affected roughly 60,000 people, the Orange County Fire Authority said.

Shortly before 2 p.m., additional evacuation orders were issued for homes south of Irvine Boulevard to Trabuco Road and from Jeffrey Road east to Portola High School.

Some communities in the adjacent city of Lake Forest were also placed under mandatory evacuations, including zones 1, 2, 3, 9 and the Baker Ranch area. Zones, 4, 5, 7 and 8 in Foothills Ranch were under an evacuation warning.

Around 4:30 p.m., the Orange County Emergency Operations Center issued a mandatory evacuation order for all residents north of Bake Parkway and east of Trabuco Road (Baker Ranch Area) in Lake Forest.