"Plainly stated, the ASI Report conclusively established that Babri Masjid was not built on virgin land and that the remains found at the site were of religious structures... In other words, the excavations revealed that Babri Masjid was erected over, and with full knowledge of a pre-existing structure... parts of earlier temples and religious members of the last temple were used in the walls of the mosque."
January 1, 1970
https://en.wikiquote.org/wiki/Archaeology_of_Ayodhya