A US appeals court on Friday temporarily halted mail delivery of mifepristone, the medication used in the majority of abortions in the United States.

Access to the abortion pill mifepristone remains in place after the Supreme Court temporarily blocked restrictions on telehealth and mail delivery.

The case puts the contentious issue of abortion back in front of the justices, who must confront another effort by abortion opponents to scale back access to mifepristone, with the November US congres...