The power of Twitter meant that Christopher's message soon went viral - and everyone from movie stars to politicians were sending Ollie birthday greetings and messages of support. Grime artist Stormzy ...

Ollie will celebrate his ninth birthday on 5 July. More on this story and others from Yorkshire Responding to the appeal, Stormzy wrote: "Happy birthday Ollie! You're a lil legend. ️⭐️ ...

Empics Stormzy was one of the celebrities to respond to the appeal Scores of celebrities responded to the appeal, including British grime artist Stormzy, who wrote: "Happy birthday Ollie!