A veteran US exorcist has been removed from his post in Washington after claiming that many UFO sightings are in fact demonic manifestations, prompting a rare public rebuke from Church authorities.

A Catholic exorcist was removed from his role after claiming UFO sightings could be linked to demonic activity, sparking debate within the Church about supernatural interpretations.

Christian apologist Frank Turek has told students in Tennessee that the discovery of aliens would not topple Christianity, ...