An 8-year-old boy was killed Tuesday in one of the explosions at the end of the Boston Marathon seconds after he reportedly hugged his runner dad as he approached the finish line. 

Martin Richard, the boy, was with his mother and 6-year-old sister near the grandstand when one of the explosions occurred. The mother and sister were both critically injured in the blast. Martin's mother underwent brain surgery Monday night and his sister, 6, lost a leg in the blast, WHDH.com reported.

The status of his father, William, has not been released publicly.

Neighbor Jane Sherman said Martin was a typical 8-year-old who loved to ride his bike and play baseball, according to The Boston Channel.

"There are no words to describe how they are feeling ... we are feeling," Sherman said, adding that the Richards are a close-knit family.

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The children's father is the director of a local community group. The mother works at the Neighborhood House Charter School, where her children attend classes, MyFoxBoston.com reported.

A candle was burning on the stoop of the family's home in the city's Dorchester section Tuesday, and the word ‘Peace’ was written in chalk on the front walkway.

At least nine children were among the injured, according to law enforcement officials. Hospitals reported at least 176 people injured, at least 17 of them critically. At least eight children were being treated at hospitals.

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The Associated Press contributed to this report