The jury in the trial of four people alleged to have been members of the banned "neo-Nazi terrorist group" National Action has been discharged after failing to reach verdicts.
Alice Cutter, 22, and her fiance, Mark Jones, 24, both of Sowerby Bridge, near Halifax, West Yorkshire, both denied being members of National Action following its ban, in December 2016.
Standing trial at Birmingham crown court alongside the pair, and facing the same charge, were Garry Jack, 23, of Birmingham, and 18-year-old Connor Scothern, of Nottingham.
Jack and Scothern also denied any wrongdoing.
The 11-member jury had been deliberating for more than 37 hours, but was unable to reach verdicts on any of the defendants.
Discharging the jurors, the recorder of Birmingham, Judge Melbourne Inman QC, thanked them for their "hard work" in a trial that had reached its 11th week.
The prosecution barrister, Barnaby Jameson QC, told the judge that the crown would be seeking a retrial of all those involved.