Police officers are currently on the scene of a fear for welfare incident in Caldecotte, and properties have been evacuated.
Buckinghamshire Fire & Rescue Service and South Central Ambulance Service are also at the scene in Tredington Grove.
Thames Valley Police said: 'There are unconfirmed reports that a chemical may be involved and neighbouring properties have been evacuated as a precaution. Tredington Grove and Wadesmill Lane are closed to traffic at this time.'
Police are also advising local residents to keep doors and windows shut while this incident is ongoing.
More to follow...
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