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Two children were killed and 18 others were injured in a shooting at a Catholic school in Minneapolis

A girl who had been shot in the head asked a bystander to hold her hand as he waited with her

The two children who were killed were aged 8 and 10

A man who lives around the corner from the Minneapolis Catholic school where two children were killed and 18 other people were injured ran to the scene once he heard gunshots.

Pat Scallen told ABC News' Good Morning America that after hearing a 10th gunshot, he realized what was going on and raced to the Annunciation Catholic School.

"It was eerily quiet," he told GMA. "And then I immediately turned and ran to the front of the church, and right at that time everyone was coming out. And it was chaotic."

Scallen then

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