Police have cordoned off All Saints Church and erected a tent over a number of graves.
Detectives believe one of them is connected to the disappearance of Jayden Parkinson, 17, who police believe has been murdered.
More top news
Police have arrested four men in connection to the suspected terror-linked murder of a police worker in Sydney.
Volkswagen could start recalling cars containing emissions cheating software in January, according to the firm's new chief executive.
A toddler survived for days on his own after his mother collapsed and died as she fed his one-year-old brother - who also choked to death.