Plymouth, Massachusetts - The 12-person jury, comprised of nine women and three men, failed to reach a verdict in Lindsay Clancy's weeks-long murder trial due to an 11-1 deadlock, forcing the judge to declare a mistrial. But Clancy's defense attorney is fighting back.

UPDATE, 12:40 PM ET: People are being let back into the courtroom, according to Court TV's livestream of Clancy's trial. However, the public is being barred from entering.

It being a holiday weekend, due to Labor Day on Monday, September 7, adds another roadblock to Reddington's request.

But, given the importance of the case and Clancy's constitutional rights, legal experts are thinking the judge may give attorneys until next Tuesday to further argue for or against a mistrial.

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Judge William Sullivan is expected to resume court shortly.

UPDATE, 12:28 PM ET: Though Judge William Sullivan gave defense attorney Kevin Reddington an hour to file a stay, there are other factors at play that could delay a final mistrial ruling.

Brian Entin with NewsNation is at the courthouse, where he and others are awaiting movement. In a post on X, Entin said, "We are all in the hallway waiting to see what is going to happen next with Lindsay Clancy.

"If Kevin Reddington filed the “stay” with the Supreme Judicial Court, but doesn’t get a response, this could turn into a longer delay even though the judge gave him an hour."

Trial lawyer and host of Lawyer You Know podcast Peter Tragos sounded off on the deadlock and Judge William Sullivan's move for a mistrial, fousing on the oddities in the case and the focus on a single juror in the middle of deliberations.

"I've never heard of that happening. That seems absolutely wild to me," Tragos said during a livestream on Friday after the mistrial was put on hold. "We've seen it happen after trial."

Speaking to reporters after court on Thursday, Clancy's attorney, Kevin Reddington, stressed that he does not want a mistrial: "Why would I want a mistrial?"

According to reports from NewsNation reporter Brian Entin, Judge William Sullivan gave Clancy's lead defense attorney, Kevin Reddington, one hour to get a stay from the Supreme Judicial Court, meaning the mistrial is "on hold," per an X post by Entin.

Reddington had previously asked that a juror be removed and replaced after the judge received deadlock notes from the jury, but the judge failed to do so.

Clancy's defense attorney had argued that the juror in question was not using the law, but rather their own personal judgment amid deliberations.

After seven days of deliberation, the jury, for the third time, told Judge William Sullivan on Friday that they remained deadlocked and could not return a verdict.

This forced Judge Sullivan to declare a mistrial after nearly six weeks of testimony.

“I’m going to declare a mistrial at this point,” Sullivan told the court Friday morning, per NBC News. Both the prosecution and defense had a chance to challenge the ruling.

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Clancy's lead defense attorney Kevin Reddington fought against a mistrial and asked for a final emergency appeal of the decision.

Judge Sullivan told Reddington he had one hour to file an emergency stay before calling the jury back to dismiss them.

Clancy is on trial for the strangulation deaths of 5-year-old Cora, 3-year-old Dawson, and 8-month-old Callan.

Clancy was charged with murder in connection with the January 24, 2023, deaths of her three children, who were strangled to death in her and ex-husband Patrick's home. She was initially charged on January 25, 2023, with two counts of murder, three counts of strangulation, and three counts of assault and battery with a dangerous weapon.

She was arraigned on February 7, 2023, and charged with three counts of murder, three counts of strangulation, and three counts of assault and battery with a dangerous weapon.

However, on September 15, 2023, a Plymouth County grand jury indicted Clancy on six felony counts: three counts each of murder and strangulation.

Following jury selection, Clancy's murder trial started on July 27. The trial included 85 witnesses and nearly 300 exhibits, leaving the jury with stacks of testimony and evidence to review during deliberation.

The defense had not disputed that Clancy killed her children, but argued that she should not be held criminally liable, as she was suffering from postpartum psychosis at the time.

This is a developing story. Check back for updates.