Updated

A San Francisco parks worker who ran over a woman as she lay with her baby and dog in a park says he thought he had hit something, but didn't realize it was a person until he was arrested.

An attorney for 57-year-old Thomas Burnoski told the San Francisco Chronicle (http://bit.ly/13YLjQJ) his client was devastated by when he learned the mother was fatally struck.

Burnoski says in a statement that his actions caused the death of 35-year-old Christine Svanemyr, "and there is nothing I can do to bring her back." He called what happened in the Bernal Heights park "a tragic accident."

Burnoski was arrested on Sept. 5 on suspicion of vehicular manslaughter and felony hit and run.

Prosecutors have not decided whether to file charges in the case.

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Information from: San Francisco Chronicle, http://www.sfgate.com