Judge Timothy J. Kelly, a Trump appointee, wrote that the government had given dubious justifications for removing the children that “crumbled like a house of cards.”

Judge Timothy J. Kelly, a Trump appointee, wrote that the government had given dubious justifications for removing the children that “crumbled like a house of cards.”

A federal judge on Thursday blocked the Trump administration's efforts to deport at least 600 Guatemalan children, efforts the administration said were to reunite them with their…