UK police make second arrest over Brexit plaintiff threats

Markets Associated Press

  • Gina Miller, the lead claimant in the legal fight to get Parliament to vote on whether the UK can start the process of leaving the EU, makes a statement outside the Supreme Court in London, Tuesday, Jan. 24, 2017. Lead plaintiff Gina Miller says British Supreme Court ruling provides the legal foundation to trigger Brexit. (AP Photo/Kirsty Wigglesworth)

    Gina Miller, the lead claimant in the legal fight to get Parliament to vote on whether the UK can start the process of leaving the EU, makes a statement outside the Supreme Court in London, Tuesday, Jan. 24, 2017. Lead plaintiff Gina Miller says ... British Supreme Court ruling provides the legal foundation to trigger Brexit. (AP Photo/Kirsty Wigglesworth) (The Associated Press)

  • Artist Kaya Mar holds a painting near Parliament in London, Tuesday, Jan. 24, 2017. Lead plaintiff Gina Miller says British Supreme Court ruling provides the legal foundation to trigger Brexit. (AP Photo/Kirsty Wigglesworth)

    Artist Kaya Mar holds a painting near Parliament in London, Tuesday, Jan. 24, 2017. Lead plaintiff Gina Miller says British Supreme Court ruling provides the legal foundation to trigger Brexit. (AP Photo/Kirsty Wigglesworth) (The Associated Press)

London police have arrested a second person for allegedly making threats to Gina Miller, the lead plaintiff in the Supreme Court challenge related to Britain's planned departure from the European Union.

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The 51-year-old Miller, an entrepreneur, became the face of the lawsuit which demanded that Prime Minister Theresa May's government get parliamentary approval before triggering Brexit.

Police arrested a 50-year-old man in central London Wednesday on suspicion of racially aggravated malicious communications.

Miller says that she hired bodyguards after the lawsuit was filed. On Tuesday, the Supreme Court ruled that May must seek Parliament's approval before starting the formal process of leaving the EU.