The Paradise Fire has broken out north of Castaic near the 5 Freeway, reaching at least five acres Thursday afternoon with forward progress stopped.

PARADISE FIRE UPDATE: Forward progress was stopped about one hour after the fire started.

The brush fire, named the Paradise Fire, was called in at about 3:10 p.m. Thursday, reaching at least five acres with no structures threatened, according to the Los Angeles County Fire Department.

The Paradise Fire has caused the No. 3 and 4 lanes of the I-5 Freeway to be shut down for an unknown duration.

Ed. Note: This is a breaking news story, more information will be added as it is available.

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