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LEXINGTON, Ky. — The 15-year-old daughter of Olympic sprinter Tyson Gay was fatally shot in the neck, authorities and the athlete's agent said Sunday.

Trinity Gay died at the University of Kentucky Medical Center, the coroner's office for Fayette County said in a statement. The athlete's agent, Mark Wetmore, confirmed in a text message to The Associated Press that Gay's daughter had died.

Lexington police said in a statement that officers went to the parking lot of a restaurant near the University of Kentucky campus in Lexington about 4 a.m. Sunday after witnesses reported an exchange of gunfire between two vehicles. Officers located one of the vehicles and stopped two people for questioning, the statement added.

Police spokeswoman Brenna Angel said police don't believe Trinity Gay was in either of the vehicles involved.

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Tyson Gay competed in the last three Summer Olympics. He was part of a team that won a silver medal in the 4x100-meter relay at the 2012 London Games though that medal was ultimately stripped after Gay tested positive for steroids in 2013.

Trinity Gay was a sprinter at Lafayette High in Lexington and finished fourth in the 100 meters and fifth in the 200 meters at the state Class 3A high school track meet in May, records show. She also ran on a 4x200 relay team that finished fourth. Her father, who ran years earlier at Lafayette, still holds the state record in the 100 set in 2001.

Fayette County Public Schools Superintendent Manny Caulk said in a statement that "Our hearts are broken this morning over the loss of Trinity to this tragic and senseless act of violence. Please join us in keeping the Gay family close in thought and prayer and supporting the students, staff, and families at Lafayette High during this unspeakably difficult time."

Grief counselors will be at Lafayette High School on Monday for students and staff, Fayette school spokeswoman Lisa Deffendall added in an email.

The police statement didn't identify Trinity Gay by name, saying a juvenile who was struck at the scene was taken by private vehicle to the UK Hospital and later pronounced dead. Police were still searching for the second vehicle, police said, adding they are continuing to investigate.

A tweet from Kentucky High School Athletic Association Commissioner Julian Tackett tweeted that he was stunned: "Shocked to hear of death of Trinity Gay. A life of such potential cut so tragically short. Sympathies to Tyson and entire family."

USA Track and Field also tweeted, "Sending our thoughts & prayers to @TysonLGay & his loved ones as they mourn the tragic & senseless loss of his daughter, Trinity."

Sending our thoughts & prayers to @TysonLGay & his loved ones as they mourn the tragic & senseless loss of his daughter, Trinity. — USATF (@usatf) October 16, 2016

And NBA veteran Vince Carter of the Memphis Grizzlies tweeted his sympathy as well: "Many prayers up to @TysonLGay and his family"

Last summer's Games in Rio featured another stinging disappointment for Gay, 33, who has battled injuries. He was a member of the American men's 4x100-meter relay team that finished third in the final before being disqualified for an illegal baton exchange between Mike Rodgers and Justin Gatlin. The team's appeal was denied, giving Canada the bronze medal.

Associated Press writer John Raby in Charleston, West Virginia, and AP Sports Writers Pat Graham and Teresa M. Walker contributed to this story.