What is the origin of the idiom "come hot on the heels of something" and when to use it?

The origin of the idiom "come hot on the heels of something" can be traced back to the imagery and idiomatic expressions related to hunting. In hunting, dogs or horses would follow the scent or tracks of prey, running swiftly and closely behind. It is commonly used when discussing news, announcements, or actions that closely follow a recent event.