A mum whose five-year-old deafblind son has made his acting debut in Eastenders has said she is "so proud" of him and she hopes it will "break down barriers" for disabled children. Harvey Hind, from Clitheroe, Lancashire, appeared in Wednesday's episode of the BBC One soap, playing Arlo, a pre-school boy who is registered blind. His mother Kimberly said: "I hope Harvey featuring in EastEnders shows other disabled children, especially those who are deafblind, that they can achieve anything. "Harvey loves being in the spotlight but for us the most important thing will always be raising awareness and breaking down barriers so every disabled child gets the same opportunities as anyone else." She said: "Harvey did amazingly at the filming, I'm so proud of him. There were four cameras on him but he took it all in his stride." In the episode, Arlo and his mother visited Lauren Branning and Peter Beale's house, where Arlo plays with their son, Jimmy, who was revealed to be blind in a storyline last year.…