Any information on the immediate lead-up to Ganondorf chasing Zelda out of Hyrule Castle? (OoT)

Prior to the release of the remake, this has always been a big question mark for me. We know the scene. Get all three stones, head up to Hyrule Castle Town, and the sky turns dark and Zelda and Impa are running out on a white horse, with Ganondorf confronting us shortly after. According to the dying soldier in the back alley, he betrayed the King with his “men.”

Do we know anything about the state of Hyrule Castle immediately before Zelda’s escape? Upon trying to return to the Castle, a guard says it’s on high alert due to recent events. Was the King assassinated? Concerning Ganondorf’s men, does the Japanese perhaps give more information? He’s never the type to recruit mercenaries, and I’d think it would be WOmen if anything due to, ya know, Gerudo. Any hidden dialogue, Historia or developer comments maybe that can shed some light on this?