<span style="color: #222222;">United States said hundreds of families it broke up at the border with Mexico have not been reunited as a court-ordered deadline to return all children to their parents elapsed last night. </span><br />'' <br />'' <span style="color: #222222;">A federal judge in California had ordered that all eligible migrant families be brought back together. Officials said in a court filing that 1,442 children aged five and older had been reunited with their families. <br />''</span><br />'' <span style="color: #222222;">A further 378 children had already been released under other "appropriate circumstances," the filing said, but more than 700 children remain in custody.</span><br />'' <br />'' <br />'' <br />'' <br />