In The Half-Blood Prince when is there a fire that Harry and Ginny run through?

There's no fire that Harry and Ginny run through in *Harry Potter and the Half-Blood Prince*. That scene takes place in *Harry Potter and the Order of the Phoenix*.

In that book, Harry and Ginny are fleeing from Death Eaters who have infiltrated the Ministry of Magic. They run through a fire that erupts in the Department of Mysteries, desperately trying to escape the chaos and destruction.