Aquamanstar Jason Momoa has shared heartwarming footage of his video call with a seven-year-old fan who has cancer, having reached out after the youngster went viral for his love of the half-human, half-Atlantean character.

Young Danny Sheehan, from Boston, Massachusetts, was diagnosed with pineoblastoma and leptomeningeal disease - a rare, aggressive form of brain cancer and cancer in the cerebral spinal fluid - in 2017.