WAUKESHA, Wis. (CBS 58) -- An 8-year-old boy injured in the Waukesha Holiday Parade tragedy has died. This, according to a GoFundMe page. 

Eight-year-old Jackson Sparks, along with his 12-year-old brother, were both seriously hurt after a driver plowed through the Christmas parade Sunday, Nov. 21. 

Both boys were taken to Children's Wisconsin for treatment. 

According to the GoFundMe page, Jackson underwent brain surgery following the incident. Tuesday, Nov. 23, an update said Jackson succumbed to his injuries and passed away. 

The family is asking for privacy at this time. 

"Please know that they appreciate your continued prayers and tremendous outpouring of support for their family. They do however ask for privacy at this time to allow Tucker to continue to heal physically and their family to heal and mourn the tremendous loss of their sweet little boy who is now under the care of Jesus."

Five other people were killed during the parade tragedy, ranging in age from 52-81. Jackson will be the youngest victim added to the list -- bringing the total to six. 

Jackson was marching in the parade with his Little League team, the Waukesha Blazers. 

The president of the team, Jeff Rogers, released a statement saying, "Jackson was a sweet, talented boy who was a joy to coach. He was an awesome utility player and played on the Blazers Wolfpack team. Jackson was tender-hearted with a contagious smile. He was the little guy on the team that everyone supported. You couldn't help but love him. We will continue to keep the Sparks family in our prayers."