By CBSLA Staff

LOS ANGELES (CBSLA) – Actress and activist Alyssa Milano and her uncle were involved in a collision on the 405 Freeway Tuesday.

The 48-year-old actress disclosed on Twitter that she was a passenger in a car being driven by her uncle Mitch when he suffered a heart attack.

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FILE — Alyssa Milano attends the 10th Anniversary Gala benefiting CORE at the Wiltern Theatre on Jan. 15, 2020, in Los Angeles. (Getty Images)

According to a report from California Highway Patrol obtained by CNN, her uncle became unconscious and the car struck an SUV.

“Two LAPD units in the area came upon the incident and initiated CPR on the driver,” CHP wrote in its report.

Two lanes of the freeway were shut down for about 90 minutes. The SUV which was struck fled the scene, CHP added.

Milano said Wednesday that her uncle remains hospitalized.

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“Uncle Mitch is such an important part of our family,” she wrote. “He’s with us every day, spending time with my children and present in every meaningful part of our lives. He’s still in the hospital, and we are unsure if he will recover.”

Milano herself was not hurt.