By Tom Gillespie, news reporter
Police have made several arrests in connection with the murder of a newly married police officer in Berkshire.
PC Andrew Harper was killed on 15 August after being dragged along by a car near the village of Sulhamstead.
Thames Valley Police officers have re-arrested three teenagers on Tuesday on suspicion of theft and murder.
Two 17-year-old boys and an 18-year-old man, all from the Reading area, were originally arrested on Friday 16 August and released on bail until Thursday 12 September, before having their bail extended to 16 November.
On Tuesday, a 21-year-old man from the Basingstoke area was also arrested in connection with the investigation for the first time.
All four suspects remain in police custody.
Detective Superintendent Ailsa Kent, of the Thames Valley Major Crime Unit, said the arrests followed "new evidence coming to light as the investigation has progressed in recent weeks".
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A series of arrest warrants were carried out by more than 100 officers across Berkshire and Hampshire on Tuesday morning.
DS Kent added: "Members of the public might see an increased police presence at the locations of these warrants today. We appreciate the public's patience and support while we progress these critical lines of inquiry.
"This is an ongoing, complex investigation, and we remain committed to achieving justice for PC Harper, his family, friends and colleagues."
PC Harper's wife Lissie described her husband as "the kindest, loveliest, most selfless person" after his death.
She added: "My darling boy, I do not know how I will be abRead More – Source