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A 22-year-old man is now in American police custody after at least six people were killed and three dozen injured in a mass shooting. A gunman opened fire on a 4 July parade near Chicago, from a rooftop. The governor of Illinois said mass shootings had become a uniquely American plague.

With Ukrainian forces withdrawing from their last major city in the Luhansk region, we ask if Moscow can build on their momentum and take Donetsk? And we hear why sand batteries could solve green energy's big problem.