UK police chiefs on Tuesday apologised to the victims of the 1989 Hillsborough football disaster as they unveiled plans for "essential reform", including measures to prevent evidence being lost or destroyed.

UK Police apologise for Hillsborough disaster after 34 years that claimed lives of 97 Liverpool supporters

Sheffield's Declan Thompson made his debut in professional football on Saturday after the youngster was told that he may never walk again due to Perthes disease, which is a rare childhood condition that affects the hips.

WATCH: Declan Thompson's father breaks down as he makes his Sheffield debut

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UK Police apologise for Hillsborough disaster after 34 years that claimed lives of 97 Liverpool supporters

WATCH: Declan Thompson's father breaks down as he makes his Sheffield debut