Fears are raised for Queensland restaurateur John Kilroy, 74, who is missing after failing to return from a walk. Multiple reports say Kilroy, who is described as battling cancer, left for a walk along the Brisbane River on Sunday night and did not come home afterward. Authorities and concerned people are searching for him after he failed to return as expected. The reports cite concern due to his age and health condition, with his disappearance prompting public concern and ongoing efforts to locate him. The information released so far focuses on the timeline of him leaving for the walk and not returning, along with the search underway in the Brisbane area. No confirmed details are provided in the excerpts about his whereabouts, whether he is in danger, or any specific leads. Further updates are expected as search efforts continue.