Police are carrying out a forensic search of a disused pub in the search for a 17-year-old girl who has been missing for 10 days, ITV Meridian understands.
A 22-year-old man from Reading, is being held on suspicion of murder in connection with the disappearance of Jayden Parkinson, who disappeared last Tuesday after boarding a train at Oxford.
The man is believed to be the missing teen's boyfriend.
A 17-year-old boy was also arrested on suspicion of murder this afternoon after he attended a police station in Oxfordshire.
ITV Meridian understands officers are at the Crown Inn, Didcot, and are examining the premises.