ALEXANDRIA, Va. — Former Trump campaign chair Paul Manafort pleaded not guilty to a new indictment on Thursday and will have to wear a second ankle-monitoring bracelet until his trial, which could begin as early as July.

As he left court, a protester threw a Russian flag at him and shouted: “Traitor! Show us your bracelet.”

Manafort, who was caught up in special counsel Robert Mueller’s Russia investigation, was arraigned in Virginia, where he was indicted on bank fraud and other charges in February — four months after he was indicted in Washington on conspiracy and money-laundering charges.

He could have waived venue and had all the charges consolidated in one courthouse, but declined. Because the federal courthouses in Alexandria and Washington have different electronic-monitoring systems, he has to wear two bracelets.

For now, the Virginia trial will start before the Washington trial,…