SAN RAFAEL (CBS SF) – An RV has caught fire on southbound Highway 101 in San Rafael Thursday afternoon.

According to witnesses, the fire broke out around 2 p.m. on an elevated stretch of the highway just past the Central San Rafael exit. Officials said the right lane of the roadway is blocked.

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The fire has also sparked a brush fire in the area of Heatherton Street and 4th Street.

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More details to come.