A 41-year-old man from Oxfordshire, who police say is known to the victim, has been arrested on suspicion of murder and remains in police custody at this time. Hampshire and Isle of Wight Air Ambulance confirmed a helicopter was dispatched to the scene and a crew attended to provide critical care. A spokesperson for the service said: "Hampshire and Isle of Wight Air Ambulance can confirm that its dispatchers deployed the air ambulance at 10.01pm to an incident near Didcot on Tuesday, January 27. A general view of Harwell (Image: Charlotte Coles)The householder said: "I mean there have been some police around before, but nothing like this. Michael Sedwards (Image: Charlotte Coles)The 88-year-old said it was a 'surprise' to see the police presence.