WILTON - A Wilton mom pleaded not guilty today to charges she left her 3-year-old at home unattended.

Police say 28-year-old Valerie Holden's co-worker called police after she had asked her to watch the child and she said no. Police say the mother left to run errands despite not having someone to watch the child. She has been charged with risk of injury to a minor.

When reached by phone, Holden offered no comment on her case.