Police searching for missing Sian O'Callaghan have found her body - and another murder victim - and are questioning a man suspected of both killings.
The 47-year-old is also being quizzed on suspicion of kidnap. The 22-year-old woman was last seen leaving the Suju nightclub in Swindon on Saturday.
Miss O'Callaghan's family have been informed of the development.
The second body has yet to be identified.
'Deeply distressed'
The news came hours after police seized a green taxi which was seen early on Saturday.
The Toyota Avensis estate with taxi markings was seen between 0300 GMT and 0400 GMT and 1200 GMT to 2100 GMT on Saturday between Swindon and Savernake Forest where police have been searching.
Det Supt Steve Fulcher said: "A 47-year-old man from Swindon is in custody, having been arrested for kidnap and two murders.
"The location of two bodies have been identified to me by this individual, one of whom has yet to be identified formally, but I am quite clear is Sian.
"I have informed Sian's family, who are obviously deeply distressed."
He added: "I want to recover these people and give them the dignity they deserve."
The 47-year-old is also being quizzed on suspicion of kidnap. The 22-year-old woman was last seen leaving the Suju nightclub in Swindon on Saturday.
Miss O'Callaghan's family have been informed of the development.
The second body has yet to be identified.
'Deeply distressed'
The news came hours after police seized a green taxi which was seen early on Saturday.
The Toyota Avensis estate with taxi markings was seen between 0300 GMT and 0400 GMT and 1200 GMT to 2100 GMT on Saturday between Swindon and Savernake Forest where police have been searching.
Det Supt Steve Fulcher said: "A 47-year-old man from Swindon is in custody, having been arrested for kidnap and two murders.
"The location of two bodies have been identified to me by this individual, one of whom has yet to be identified formally, but I am quite clear is Sian.
"I have informed Sian's family, who are obviously deeply distressed."
He added: "I want to recover these people and give them the dignity they deserve."