A package containing white powder has been sent to the judge who jailed Tommy Robinson.
The item was posted to Judge Geoffrey Marson QC at Leeds Crown Court where in May he jailed Robinson for 13 months.
It is understood to have been delivered to the general office at the court before being identified as potentially dangerous.
Emergency services were called to the court at 11:44am following reports of a ‘suspect item of mail’.
The building was not evacuated and many of the courts continued to function as usual.
A West Yorkshire Police spokesman confirmed the item has now been deemed safe.
The spokesman confirmed the incident is now being treated as a ‘malicious communications’.
Robinson – real name Stephen Yaxley-Lennon – was jailed on May 25 by Judge Marson for alleged contempt of court.
He was arrested, charged and sentenced for filming people at a grooming trial in Leeds and live-streaming the footage on social media.
The trial was the subject of a court order banning reporting or broadcasting of the proceedings to prevent prejudicing other trials.
Right-wing protesters claim that the non-reporting of the trial was part of an establishment cover-up of Asian paedophile rings.
But a reporting restriction had been implemented in order for the courts to process the number of defendants on trial.
The jailing of Robinson, 35, prompted large-scale protests and threats directed at the judge on social media.
Robinson was released from prison in August after the Court of Appeal quashed a contempt of court finding, pending a fresh trial.
Details of the Leeds trial and two other linked prosecutions were later published when reporting restrictions were lifted.