A 17-year-old boy has been bailed until September 5 after being arrested on suspicion of possession with intent to supply a controlled drug.
His arrest follows the sudden death of Martha Fernback outside a community centre in South Oxfordshire.
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Tuesday evening's weather for the east of the region
Tuesday evening's weather for the west of the region
Highways England thanked people for pointing it out. The A34 sign has now been removed.