The coach of the home team said that the football fans died in the arms of the players.
The crush at the match in Java left him shattered.
The youngest victim was three years old.
Police fired tear gas at fans who invaded the pitch after the game.
As supporters fled the gas, they were trampled on and killed in a crush. The children were between three and 17 years old.
The police had fired a lot of gas rounds after the situation with fans became tense. The Arema FC fans ran onto the field after the match ended.
There are videos on social media showing fans escaping. There were videos that showed dead bodies on the floor.
Chandra said that a sea of smoke in the stands caused panic among spectators. He said that little kids were crying and women were collapsing.
The number of people trying to escape from the stand made it difficult for him to get out.
They went back to the top of the stands. The smoke was kept away by using a scarf. He went down through the side door after jumping into the field.
According to the mother, her daughter Debora had a broken neck and swelling on the brain during the panic.
I told her not to watch the game. Ms Andayanengtyas said that she didn't come home in the morning. She wasn't in the ER. We were told to go to the mortuary. My daughter didn't have an identification.
Parents were crying out "where is my child" among the chaos, and one witness said he saw parents collapsing while shielding their children.
He said that a mother and a boy fainted next to each other. The mother and the boy were taken out of the stadium by some supporters. Maybe because of the tear gas, they were unconscious.
A few Arema fans went on the pitch to remonstrate with the home team players but were stopped by police and beaten.
The supporter said that more spectators took to the pitch.
Mr Dipo said police and soldiers came forward. He said he heard a lot of tear gas at the stadium.
The officers under investigation were responsible for holding the weapons and were being questioned by an internal affairs team.
The police chief has lost his job.
The field security team, as well as some officials from the Indonesian football league, are under investigation.
Indonesia's human rights commission said it will conduct its own inquiry into the disaster, and the president ordered that all matches in Indonesia's top league be stopped until the official probe has been completed.
The police response amounted to "use of excessive force by the state" and protesters in the capital Jakarta carried placards that read "stop police brutality".
The police force in Indonesia has been criticized for its use of tear gas.
The coach of Arema FC said that he thought the police overstepped their mark in trying to control the crowd.
After the disaster, world football's governing body called it a "dark day for all involved in football and a tragedy beyond comprehension".
The Indonesian football federation has been asked to provide a report on the incident that took place at a match.
Over 42,000 tickets were sold for the game in the 38,000 capacity stadium, according to the security minister.
It had gotten a bit crazy. Two police officers were among the dead as a result of the attacks, according to the police chief in East Java.
Some of them weren't anarchic. About 3000 people entered the pitch.
Fans left at the exit. There was a build-up and there was a lack of oxygen in the room.