SPRINGFIELD — A federal judge in East St. Louis issued an order Friday blocking enforcement of Illinois’ ban on assault weapons and high-capacity magazines until a lawsuit challenging it is resolved.Judge Stephen P. McGlynn of the U.S. District Court of the Southern District of Illinois said the Protect Illinois Communities Act (PICA) is likely to be found unconstitutional when the case goes to trial and the plaintiffs in the consolidated cases will suffer harms without a preliminary injunction to block its …