A man drove a car into a San Jose Walmart, then grabbed a blunt object and began beating customers Sunday morning, police said.
They said the driver then got out of the car, grabbed a blunt object from inside the store and began hitting people with it.
Four people were injured, one of them seriously.
Sources say a pregnant woman may be among the injured, all of whom were taken to the hospital.
The man accused of driving the car and assaulting the people was booked into county jail.
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