A fast-moving wildfire near Simi Valley continues to spread under gusty winds as firefighters race to increase containment.

Burro Fire initially started 1:26 p.m. May 18 near Near Burro Peak in Los Angeles County, California. Since its discovery 43 hours ago, it has burned 30.1 acres. As of Wednesday morning, the fire crew succeeded in containing 70% of this fire.

Firefighters made significant progress on the Bain Fire in Riverside County overnight after it consumed more than 1,300 acres and injured four, authorities said. According to Cal Fire, containment of the blaze was up to 25% as of 5:58 a.

Burro Fire initially started today at 1:26 p.m. [GPT ~unnamed~] Near Burro Peak in Los Angeles County, California. Since its discovery five hours ago, it has burned 30.1 acres. As of Monday evening, the fire crew succeeded in containing 20% of this fire. However, investigations into the cause are ongoing.

A wind-driven fire that broke out in Ventura County Monday morning stalled overnight, allowing some residents to return home.

Firefighters made progress overnight and into Tuesday morning as they continued to protect homes in the Simi Valley area from the nearly 1,400-acre Sandy Fire in Ventura County. Minimal fire growth was reported overnight after the fire started late Monday morning and destroyed at least one home in a neighborhood at the base of a burning hillside.

New evacuation warnings expanded into Los Angeles County Monday night as the fast-moving Sandy Fire continued burning with zero containment. The Los Angeles County Sheriff’s Department expanded evacuation warnings Monday evening into areas near Agoura Hills,

Containment is part of a larger plan for managing a wildfire. It is normally expressed as a percentage and it refers to how much of the fire perimeter has been surrounded/enclosed by a control line that firefighters create.