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PHILADELPHIA (CBS) — The world’s tallest and fastest roller coaster just opened to the public at Cedar Point Amusement Park in Ohio and it has already been in an accident.

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“Steel Vengeance” opened on May 5 and it was shut down for a few hours on Saturday.

Park officials say a coaster car that was returning from the ride bumped into another that was parked in the loading area.

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Medical personnel evaluated four riders, but they weren’t hospitalized and later returned to the park.

The park tweeted that the ride was on schedule to open Sunday, May 6.

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The 205-foot roller coaster boasts 10 world records.