Christine Brigida, 31, of 1304 Scott St., Williamsport, has been charged with two counts of endangering the welfare of a child for leaving her two children, ages 1 and 8, unattended at home for about an hour while she went on an errand about 12:15 a.m. Sunday, city police alleged in an affidavit. Following her arraignment before Biichle, Brigida was committed to the Lycoming County Prison in lieu of $15,000 bail.