A 21-year-old woman died following a crash on Remington Street, following the annual Puerto Rican Festival, according to the Rochester Police Department.

Unique Kearse of Rochester suffered serious injuries in a rollover crash near 517 Remington St., just south of Norton Street, about 10 p.m. Sunday, said Rochester Police Investigator Jackie Shuman. Kearse was taken to Rochester General Hospital. She died from her injuries about 1:40 a.m. Monday.

Police Chief Michael Ciminelli said that the crash is currently under investigation.

"We think shortly before the accident occurred there were other occupants in the car, however the evidence is showing us now that at the time the accident actually occurred, the victim was the driver and sole occupant of the vehicle," said Ciminelli.

Ciminelli said that information from witnesses has led investigators to believe that there were people hanging on the car as part of a procession of cars prior to the accident, which was a safety concern during the parade.

He went on to say that according to witnesses, at least one man fell off of the roof of the car and injured his arm by breaking the window of the tailgate of the car as he fell.

At that point the driver of the vehicle stopped to address the situation and then got back into the car, according to Ciminelli.

"We don’t know why what happened, happened, but the vehicle accelerated, ended up in the yard, and flipped," he said.

Kearse was transported to the hospital by private vehicle, where she died from her injuries.

Fifteen people were arrested in the aftermath of the annual festival, according to police.

Eleven of the arrests were related to traffic, three were disorderly conduct arrests, violations, and one was resisting arrest, a misdemeanor.

The festival itself had no issues, police said in a news release.

The annual three-day festival, held at the Frontier Field VIP Parking Lot, ended Sunday evening.

As in previous years, large crowds and caravans gathered in the northeast part of the city, Shuman said. Post-festival activities have been troublesome for neighbors and police in years past.

Shuman said several items were set on fire in the street and bottles were thrown at officers. No injuries were reported.

Police used pepper ball deployment, a long range acoustical device and verbal warnings to disperse the crowds. A New York State Police helicopter was also used to observe of the crowd, she said.

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Two separate crashes occurred on Remington Street in the hours after the festival ended, including the fatal crash, Shuman said.

The second crash on Remington was near Bismark Terrace, and involved a dirt bike striking a parked police car. No injuries were reported. Shuman said the dirt bike driver was issued several tickets, including reckless driving.

TYEE@Gannett.com

VFREILE@Gannett.com