This terrifying new footage shows the moment an SUV speeds past families before ploughed into a Christmas parade and killing five people on Sunday.
Crowds had gathered in Waukesha, Wisconsin for the festive event when the horror unfolded.
More than 48 people were injured as the red SUV careered into families who had lined the streets.
A mum filmed the terrifying scenes while she attended the festive parade with her three-year-old daughter and two sisters.
She told The Sun : "All of a sudden, I hear people screaming and running, I look up and everyone's running and someone's saying ‘he got a gun’ and everyone starts bolting towards the front door of my sister's complex. It was just sheer panic."
This is the moment a red SUV speeds past families before mowing down crowds
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She added: "There's children crying, people screaming. It's complete panic.”
The newest footage comes authorities say they will charge Darrell Brooks Jr, 39, with multiple counts of homicide.
Police said on Monday they do not know what caused Brooks to drive into the crowd.
Police have also identified the five victims as Virginia Sorenson, 79; LeAnna Owen, 71; Tamara Durand, 52; Jane Kulich, 52; and Wilhelm Hospel, 81.
Police say they do not know why the alleged suspect drove into people
The FBI is assisting local police in their investigation.
Witnesses recalled how the horror unfolded before them.
Resident Brian Hoffman, 33, said: "It was terrifying."I saw children who were ran over. I am still totally shocked."
The Children's Wisconsin hospital officials said at a briefing they treated 18 children, including six who remained in critical condition and three in serious condition on Monday. The rest were in fair condition or released. The hospital made no mention of any fatalities.
Darrell Brooks poses for a booking photo at the Milwaukee County Jail in Milwaukee, Wisconsin
Among the victims were some members of the Milwaukee Dancing Grannies, a troupe of women aged 50 to 70-plus.
They wrote on Facebook on Monday confirming several “grannies” had died.
The post read: "Those who died were extremely passionate Grannies.
"Their eyes gleamed…..joy of being a Grannie. They were the glue….held us together.”
Among the injured from Sunday's tragedy are members of a youth dancing troupe, The Waukesha Xtreme Dance Team.
Five people have died and more than 40 people have been injured
Corey Montiho, a School District of Waukesha board member, said that his daughter was on a dance team that was hit, but it is currently unclear if he was referring to a different one.
He told the Milwaukee Journal Sentinel : "There were pom-poms and shoes and spilled hot chocolate everywhere.
“I had to go from one crumpled body to the other to find my daughter. My wife and two daughters were almost hit."
Details of their condition have yet to be released, but the team has thanked those who checked in.
Terrified families watched the horror unfold
On Sunday night, the Waukesha Xtreme Dance Team posted on Facebook : “Thank you for everyone who has reached out checking on the safety of Xtreme Dance Team members and their families.
“At this time, we ask that the media and those reaching out, give us and our families time and privacy to process the tragic events of this evening.”