(NECN/KWTV: Oklahoma City, OK) - A massive severe thunderstorm passed through Oklahoma City Sunday.
When it was over, there were drifts of hail stones up to five feet tall.
Some of the stones were the size of softballs, and KWTV's Jon Jordan reports one of the neighborhoods hardest hit was Crown Heights.
As many as 21 people were injured from the storm, seven seriously.
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