Where does Zambia's opposition stand without Edgar Lungu?

NATO Secretary-General Mark Rutte is working to keep the alliance united and Donald Trump engaged. But disputes over burden sharing, US military commitments, and the Iran war are creating a major test for NATO unity.

Every Friday, Living Planet brings you the stories, facts and debates on the key environmental issues of our time.

Several victims were killed in a shooting near a youth facility in Stade, Lower Saxony, according to initial reports.