Claire Wadham's son Cory died when his kayak capsized in a fen waterway last July, a coroner hears.

Firefighters advise residents to keep all windows and doors shut.

Cory Chilvers,18, had been missing for three days before his body was recovered, coroner hears.

Cory Chilvers, 18, is described as a "kind, loving, funny and thoughtful" son and big brother.

Norfolk Police say the family of an 18-year-old who has been missing since Sunday are receiving support.