On this week's edition of Correspondents Report some of our best stories of the year so far. If you've seen the movie Lion, you'll love the story of Saroo Brierley. We've got an equally unlikely story, this time in PNG.

A ring, unearthed in a vegetable garden is returned to a grateful family in New Jersey. We head to London where a terrorist attack at Westminster, was close to home for the ABC crew stationed there. And the story of one of the great art heists of the 20th century.