One of the country's top teenage kickboxers, from Sheffield, has died after a championship fight.
Scott Marsden, aged 14, from Hillsborough, fell ill during a fight for an English title in Leeds on Saturday.
The fight was stopped for the talented kickboxer to receive medical treatment at the scene and he was rushed to hospital but could not be saved.
He was fighting in front of family and friends when he collapsed. It is understood he suffered a blow to his head.
His death has been conformed this morning by West Yorkshire Police.
Scott, who attended Forge Valley School, Stannington, died with his loved ones at his bedside.
Detective Inspector Phil Jackson, of Leeds District CID, said: "At 1.20pm on Sunday police were contacted by medical staff at Leeds General Infirmary reporting a 14-year-old boy who was in a critical condition after collapsing during an organised kickboxing contest at Alexandra Mill, Morley, on Saturday night.
"The boy has sadly since been pronounced dead.
"The incident is not being treated a suspicious and enquiries are being carried out into the circumstances for a report to the Coroner.
"We are in contact with the family and are offering them every support at what is understandably a very difficult time for them."
His death was also confirmed today by Leeds Martial Arts College, which hosted the championship fight.
A spokesman said: "Our deepest condolences and sympathy go to our friends the Marsdens at this terrible time.
"Scotty will always be in our hearts and our thoughts and we miss you dearly.
"A true champion in every way whose energy and positivity affected everyone he met.
"Rest now Scotty lad."
Tributes for the teenager, who trained at his dad Simon's gym, Marsden's All Styles Kickboxing, based at Hillsborough Arena, have been pouring in from across the kickboxing community.
A spokesman for the World Kickboxing Association (WKA) England said Scott fell ill during a fight involving two of the country's best young talents.
Scott was a highly-rated young kickboxer and his club had previously raised money to help him represent his country at the World Kickboxing and Karate Union (WKU) World Championships in Spain.
Paying tribute to Scott on Facebook, Neil Kelly from USKA Kickboxing, wrote: "Extremely saddened to hear of the heartbreaking loss of a fine young kickboxer from the fight circuit, Scott Marsden.
"Scott was an extremely talented fighter but more than that was a ultimate sportsman with top draw etiquette and respect bringing credit to his club and his family each and every time he climbed through those ropes.
"The martial arts community is shocked and in mourning and rightfully so for a lad that will be truly missed.
"Deepest condolences on behalf of myself and all at to the Marsden family and also his team mates and friends on your terrible loss."
Andrew Hennessy, from the International Combat Organisation, wrote: "So sad to hear the tragic news about about the young kickboxer, Scott Marsden, who sadly passed away.
"Scott was a talented young fighter and a rising star of the future."
Colin Payne, from the TKO Elite Gym, described Scott as a 'terrific young fighter'.
He added: "No parent should lose their child especially at such a young age. I only hope that his family can draw some consolation from knowing he was a great young lad, liked by all that met him and a credit to them."
Posting on Facebook, Yousif Ibrahim, said: "Out of all the young fighters I have met, I could not wait to see this kid reach his potential."
Brogan Millard described him as an 'amazing, talented young boy'.
Damon Ashall said: "There are no words to describe the news other than heartbreaking.
"This young man was the most nicest lad you'll ever meet and was a true warrior and a champ in his sport."