Charlie Gard, the British infant and subject of a court case in the UK, has died. Charlie was born with a fatal medical condition which his doctors said was incurable. His parents wanted to take him to the United States in the hope that experimental treatment would prevent the inevitable. A European Court refused, stating that the hospital and the state were better suited to act in their son's best interest. For more background, read this previous post.
For an account of the battle to save Charlie's life, and the underhanded tactics of those determined that they and not his parents would decide his fate, see this article from Dave Andrusko of the National Right to Life.
As to the claim that the state, not the parents, have ultimate custody of children, see this article by Marissa Mayer of the Alliance Defending Freedom.