Wildfire near Los Angeles grows to 1,325 acres; arson suspect detained, authorities say

A brush fire in an exclusive Southern California community gained strength Sunday as about a thousand residents remained under mandatory evacuation orders, authorities said on Sunday.

Afternoon winds and warm weather helped the Palisades Fire nearly double to 1,325 acres with zero containment by Sunday at 1 p.m. PT after cool, moist conditions had kept it around 750 acres overnight. A Sunday morning update from the LA Fire Department said the winds may push the blaze northwest – threatening homes – as it rips through dense mountain vegetation that “is very dry and has not burned in 50+ years.”

Topanga Canyon, a remote, wooded community with some ranch homes, is about 20 miles (32 kilometers) west of downtown Los Angeles, on the border with Malibu.

At least one water-dropping helicopter from Ventura County had been helping with the firefight. A strike team of Ventura County firefighters was dispatched Sunday afternoon.

The cause of the fire has been deemed “suspicious” and is under investigation, the fire department said.

Arson investigators with the fire department and police identified one individual who was detained and released. Investigators then detained a second suspect and were questioning them Sunday evening, according to a statement from fire department spokesperson Margaret Stewart to the Associated Press.

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As huge plumes of smoke rose over the mountains, firefighters relied mostly on air drops to battle the blaze – which started late Friday night – because of the difficulty in reaching the steep, rugged terrain.

“Dozers are working to improve access for firefighters on the ground, but much of the area remains inaccessible,” Stewart said. “This is primarily an air-based operation with both fixed-wing and rotary (helicopters) working together.”

A firefighting helicopter drops water onto a brush fire in the Pacific Palisades area of Los Angeles on May 15, 2021.

“The weather remained cool and moist overnight which led to calmer fire activity,” the Los Angeles Fire Department said in a statement Sunday morning. “However, as it warms up today the conditions are expected to change as the vegetation in this area is very dry and has not burned in 50+ years.”

Air quality officials issued a smoke advisory through at least Sunday afternoon because of the smoke billowing near homes in the area and advised those exposed to stay indoors.