Dublin blogger Yavanna Keogh shares the heartbreaking news of her five-year-old son’s passing

His story captured the hearts of the nation and beyond, and earlier this year he received a special surprise from the cast of US sitcom The Big Bang Theory.

Dublin blogger Yavanna Keogh has shared the heartbreaking news that her five-year-old son has passed away following a battle with cancer.

Posting a family photo on Twitter, she said: "Our magical Oscar passed away yesterday peacefully.