A man accused of carjacking a vehicle with two children inside and then leading good Samaritans on a short chase has pleaded not guilty in Southern California to charges including kidnapping and child cruelty.

The Sun newspaper says (http://bit.ly/29ykuxi ) 21-year-old Steven Young was arraigned in a San Bernardino courtroom Wednesday.

The kids' mother jumped onto the hood when she saw the car being driven away from a convenience store where she had stopped and left the engine running Sunday night.

The woman landed on the pavement and watched helplessly as the car sped off carrying her two babies — a boy and a girl.

Young was arrested after crashing nearby. The children were unhurt.

Described by police as a transient, Young is due back in court July 21.

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Information from: The Sun, http://www.sbsun.com