Russia shells Kyiv during UN chief's visit and Tesla's Elon Musk goes after Twitter

In the World This Week, UN Secretary General Antonio Guterres tries to negotiate humanitarian corridors in Ukraine while on a visit to Kyiv. French President Emmanuel Macron's re-election honeymoon period proves short-lived, with the focus quickly turning to June legislative elections. And Tesla founder Elon Musk makes a $44 million offer for social media platform Twitter.