JUNIPER HILLS, Calif. (AP) — Winds pushed an unrelenting wildfire burning in the mountains northeast of Los Angeles deeper into a Mojave Desert community, but firefighters looked to seize on more favorable weather on Saturday to protect homes and make headway into their nearly two-week battle.

Meanwhile, officials were investigating the death of a firefighter on the lines of another Southern California wildfire that erupted earlier this month from a smoke-generating pyrotechnic device used by a couple to reveal their baby’s gender.

The death occurred Thursday in San Bernardino National Forest as crews battled the El Dorado Fire about 75 miles (120 kilometers) east of Los Angeles, the U.S. Forest Service said in a statement.

In northern Los Angeles County, the Bobcat Fire burned semi-rural desert properties when it was pushed by gusts into the community of Juniper Hills after churning all the way across the San Gabriel Mountains.

Crews protected homes and chased spot fires sparked by embers blown across neighborhoods by erratic winds. Surrounding areas were under evacuation orders.

Wyatt Stephenson helped his friend evacuate his home at the top of Juniper Hills.

“We were waiting for the fire to come over the ridge. When it finally came over, we got him out of there,” Stephenson said. “We found out later that his house burned. The fire just burned everything.”

It wasn’t immediately clear how many homes were burned in the area about 50 miles (80 kilometers) northeast of downtown LA. No injuries were reported.

Fire officials said the stubborn fire grew to 142 square miles (367 square kilometers) and remained 15% contained. They said calming winds and slightly cooler temperatures on Saturday should help the 1,660 firefighters on the line.

On the south side of the blaze, firefighters continued to protect Mount Wilson, which overlooks greater Los Angeles and has a historic observatory founded more than a century ago and numerous broadcast antennas serving Southern California.

The fire that started Sept. 6, has now churned through more than 112 square miles (290 square kilometers) — doubling in size over the last week. It was 15% contained.

The name of the firefighter killed in the nearby El Dorado Fire was being withheld until family members are notified.

“Our deepest sympathies are with the family, friends and fellow firefighters during this time,” Forest Service spokesperson Zach Behrens said in the statement.

No other information was released about the firefighter, the agency the firefighter worked for, or the circumstances of the death. The body was escorted down the mountain in a procession of first-responder vehicles.

A statement from the California Department of Forestry and Fire Protection, or Cal Fire, said it was the 26th death involving wildfires besieging the state.

A new blaze sparked by a vehicle that caught fire was growing in wilderness outside Palm Springs.

To the north, a fire burning for nearly a month in Sequoia National Forest roared to life again Friday and prompted evacuation orders for the central California mountain communities of Silver City and Mineral King.

More than 7,900 wildfires have burned more than 5,300 square miles (13,727 square kilometers) in California this year, including many since a mid-August barrage of dry lightning ignited parched vegetation.

The El Dorado Fire has burned more than 33 square miles (85.4 square kilometers) and was 66% contained, with 10 buildings destroyed and six damaged.

Cal Fire said earlier this month that the El Dorado Fire was ignited Sept. 5 when a couple, their young children and someone there to record video staged the baby gender reveal at El Dorado Ranch Park at the foot of the San Bernardino Mountains.

The device was set off in a field and quickly ignited dry grass. The couple frantically tried to use bottled water to extinguish the flames and called 911.

Authorities have not released the identities of the couple, who could face criminal charges and be held liable for the cost of fighting the fire.

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Associated Press writer John Antczak in Los Angeles contributed to this report.