"Paparazzi chased me with the kids to school," the Oxygen reality star tweeted. "I was trying to get away from him and had a pretty big accident."
"I took down whole wall of school. He then still got out to try to get pics. Ten school moms chased him away," she added. "What will it take? Someone dying for paparazzi to stop? Going to doctor now to check on the baby. I think it's just shock."
Spelling's rep tells Us Weekly, "She is really shaken up over the accident but Tori and the kids are fine."
Spelling, 38, and husband Dean McDermott, 44, have two children together: Stella, 2, and Liam, 4. Their third baby is due this October. "We're not going to find out [the sex of our baby]," the Beverly Hills, 90210 alum told Us at Simon G. Jewelry's annual Summer Soiree in Las Vegas on Saturday. "We have one of each, so it will be a traditional surprise on the day."
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