Robert Hart's life was taken by one punch at Parklife festival - his killer has never been found

Detectives have issued a fresh appeal following the death of Robert Hart at Parklife festival - with a £50,000 reward offered for information leading to his killer's conviction.

Robert was killed at the Heaton Park music festival on Saturday, June 7, 2014. Detectives believe he was punched by an 'unknown male assailant' in an attack.

The 29-year-old had stepped in to protect his girlfriend, who was being hit with an inflatable toy, it was previously revealed. He died a few days later after his injuries proved fatal.

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Robert's killer has never been traced. As the 10th anniversary of his death approaches, detectives have today (March 22) issued a fresh appeal for information about his death.

Greater Manchester Police are offering a £50,000 reward in a desperate bid to track down the man responsible. The reward 'is payable for information that leads to charge and conviction'.

Detective Inspector Madeline Kelly, from GMP’s Major Crime Review Team, urged people to 'dig deep into their consciences' and come forward with anything that may help the investigation. Officers are taking a 'fresh look' at the evidence, she added.

Det Insp Kelly said: "Even though this terrible incident was almost 10 years ago, it will still be fresh in the minds of many people, especially Robert’s family and people who were at Parklife. Despite the passing of time, the heartache felt by Robert’s family has not faded.

"Just as we were in 2014, we are determined to catch the person responsible which is why we are taking a fresh look at the evidence and appealing for the assistance of the public. We are appealing for people to dig deep into their