Devon and Cornwall Police have confirmed a woman resident at the property in Eastborne Road in St Austell has been arrested and is currently receiving treatment in hospital.
The property houses people with special needs and Cornwall Council is rehousing the displaced residents.
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Police say they're concerned for Vasco Macedo's welfare as he has learning difficulties and does not speak any English.
Winter sunshine ahead but you'll need to wrap up warm!
A chilly frosty start but blue skies for most of the day.