Gabriel appears to Zechariah in the temple
Gabriel appeared to Zechariah and foretold the birth of John the Baptist. Zechariah did not believe it and was struck dumb.
Key passages
Lk 1:8–23

And it happened that while he was serving as priest before God in the order of his division, according to the custom of the priesthood he was chosen by lot to enter into the temple of the Lord to burn incense. And the whole crowd of the people were praying outside at the hour of the incense …