TMZ has learned ... a rep from the L.A. County Department of Children and Family Services just showed up at the Mel Gibson/Oksana Grigorieva hearing.
Oksana claims Mel hit her while she was holding their baby.
In addition to the Children's Services rep, we've learned a sergeant from the Sheriff's Department, Special Victims Bureau, has also arrived.
Children's Services Show Up for Mel Hearing
7/15/2010 1:30 PM PDT BY TMZ STAFF
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