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PHILADELPHIA (CBS) — A 7-year-old boy has died after falling between two subway cars on the SEPTA’s Broad Street Line near North Philadelphia Station, according to police. The accident happened on the southbound side of SEPTA’s Broad Street Line near West Allegheny Avenue and North Broad Street just before 6 p.m. Sunday.

Sources say the boy was selling candy on the train. His brother was brought to the SEPTA headquarters for questioning.

“It was just scary, everybody was crying,” a witness told Eyewitness News.

SEPTA subway riders on the Broad Street Line in North Philadelphia are distraught after witnessing a 7-year-old boy killed while riding on the train.

“The kid had fell and his parents wasn’t walking with him, and once he fell, his brother came back crying. He grabbed my hand. It was sad,” added a witness.

“The boy was selling candy, I see him all the time,” said another witness. “The little boy came back from the door to find out something, he was getting off and then he went back and then I looked away and the little brother was crying.”

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Emergency crews crowded above the ground near the Glenwood Avenue exit of the North Philadelphia Station.

Underneath, investigators tried to piece together exactly how the child was killed.

“We are working with Philadelphia Police, AID, along with SEPTA Police,” said Lt. Nicole Lawson of the SEPTA Police Department.

Subway riders were transported to shuttle buses. Subway service was shut off between Girard Avenue and Erie Avenue for several hours.

The child’s family arrived on the scene shortly after.

The name of the child has not yet been released. The only information released is that he is from Philadelphia.

Service on the Broad Street Line is now back up and running in both directions.