Jon Cuthill is back on flood patrol as more towns and villages in the south struggle to cope with continuing rain. Jeremy Stern investigates how an ordinary girl from Aylesbury ended up on Interpol's 'most wanted' list, and Richard Reeves explores the miniature world of lichens.
Samantha Lewthwaite mystery
She has gone from smiling schoolgirl to one of Interpol's most wanted - linked in news reports with militant attacks.
Nicknamed the White Widow, Samantha Lewthwaite is wanted by the Kenyan authorities on charges of being "in possession of explosives and conspiracy to commit a felony" dating back to December 2011.
Read the background to this story on the BBC News website.
|Series Producer||Jane French|