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Mom Speaks Out After Death of 3-Year-Old Son Who Ran into Traffic: 'I Tried My Best to Save Him'

"I am currently living my worst nightmare," said Cayden Denny's mom

<p>GoFundMe</p> Cayden Denny.

GoFundMe

Cayden Denny.

A mom is speaking following the death of her 3-year-old son, who died after running into traffic in Florida on Sunday.

In an update shared on a GoFundMe campaign launched for the family, Cayden Denny's grandmother shared a Facebook post from the boy's mother, who was also struck by the car as she tried to stop her son.

"As most of you know, Johnny Denny and I tragically lost our son Cayden Sunday night. I can’t even express how I feel right now besides empty," mom Cassie wrote in the message. "I am physically hurt as the vehicle [that] struck Cayden and I [was] going 65 mph down dairy road in front of our home."

"All I really know is that I tried my best to save him," Cassie added. "It all happened very fast."

She went on to say that while her body is "recovering," she's unsure if her "heart ever will."

"I am currently living my worst nightmare. I want to thank everyone for their support and kind words," she continued. "Please keep my baby boy in your prayers. If any of you knew Cayden, you know how much light he brought to any room. We are devastated!"

Related: 2 Children Killed on California Freeway After Running into Traffic to Retrieve Fallen Luggage

The Melbourne Police Department said Monday that three people — including the 31-year-old mom and her 3-year-old son — exited a vehicle “parked southbound in the center lane” of Dairy Road shortly before the boy ran into traffic.

He entered traffic by running behind a trailer they were pulling, police said.

Related: Girl, 12, Killed Trying to Save Her Dog After It Ran Into Traffic Will Be Buried with Beloved Pet

The mom “attempted to stop the child” just before they were both struck by a 2009 Honda Pilot traveling northbound on Dairy Road just before 8:30 p.m. local time.

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The MPD said the child and his mom suffered “serious” injuries as a result of the crash. Additional information about her injuries has not been publicly shared.

The 3-year-old was later pronounced dead.

On Monday, police said that the crash remains under investigation.

Related: Injured Siblings Recuperating in Hospital After Thanksgiving Crash That Killed 'Loving' Parents

A family friend who launched a separate GoFundMe after the deadly incident, said in a Facebook post that a public memorial for Cayden will be held at Pelican Park in Satellite Beach on Friday at 1 p.m.

"All are invited to attend and mourn the loss of this sweet young man," he said, adding that he's "amazed by the outpouring of support from the community."

As of Wednesday morning, both GoFundMes have raised over $20,000 for expenses and funeral costs.

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