A man has been charged with arson following a fire at flats in Wellingtonia Way, Edenbridge, shortly before midnight on Sunday.
Two people had to be taken to hospital to be treated for smoke inhalation.
Danny Chantler, 20, of Wellingtonia Way, Edenbridge has been bailed to appear at Sevenoaks Magistrates court on May 15.
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Friday morning's forecast for the west of the region
Friday morning's forecast for the east of the region
A number of teenagers, aged 13 to 15, from Portsmouth, have been treated in hospital, after taking tablets believed to be diazepam.