A suspect has been charged with multiple counts of murder and police are continuing their investigation after 11 people were killed when an SUV plowed through a crowd at a Filipino heritage festival in Vancouver over the weekend. Witnesses described narrowly jumping out of the way of the speeding vehicle as bodies flew through the air. Dozens of people were injured. Officials say the suspect is a 30-year-old Vancouver resident who had a history of mental health issues. Here's what you need to know about the attack.

The U.S. Supreme Court rejected a double jeopardy appeal by Karen Read, who is on trial for the second time on charges she killed her Boston police officer boyfriend in 2022. A mistrial was declared last year after jurors said they were at an impasse. By rejecting Read's petition on Monday, the Supreme Court effectively cleared the way for her trial to continue. Prosecutors say Read backed her SUV into 46-year-old John O’Keefe in 2022 after dropping him off at a party hosted by a fellow police officer and returned hours later to find him dead. Defense attorneys say she was a victim of a conspiracy involving the police.

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Karen Read listens to the testimony of Cellebrite digital intelligence expert Ian Wiffin, during her murder retrial, in Norfolk Superior Court, in front of Judge Beverly J. Cannone, in Dedham, Mass., Monday April 28, 2025. (Pat Greenhouse/The Boston Globe via AP, Pool)

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Judge Beverly J. Cannone greets jurors as the murder retrial of Karen Read continues, in Norfolk Superior Court, Dedham, Mass., Monday April 28, 2025. (Pat Greenhouse/The Boston Globe via AP, Pool)

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FILE - The former Memphis police officers accused of murder in the death of Tyre Nichols appear with their attorneys at an indictment hearing at the Shelby County Criminal Justice Center on Feb. 17, 2023, in Memphis, Tenn. (AP Photo/Brandon Dill, File)

Luigi Mangione has pleaded not guilty to a federal murder charge in the killing of UnitedHealthcare CEO Brian Thompson, as prosecutors formally declared their intent to seek the death penalty against him. Mangione, 26, stood with his lawyers as he entered the plea Friday, leaning forward toward a microphone as he addressed U.S. District Judge Margaret Garnett. Asked how he wished to plead, Mangione said simply, “not guilty.” Mangione’s arraignment attracted several dozen people to the federal courthouse in Manhattan, including former Army intelligence analyst Chelsea Manning, who served about seven years in prison for stealing classified diplomatic cables.