At least 25 people have been killed in the shelling of a market in the Russian-occupied city of Donetsk in eastern Ukraine, according to local authorities. The Russian-backed leader of the Donetsk region, Denis Pushilin, said on Sunday that another 20 people were injured in the attack. He said Ukrainian forces had shelled the market on Sunday morning when it was busy with shoppers. The Ukrainian military did not immediately comment. Some Ukrainian media also disseminated photos and videos of a devastated market. The mayor of occupied Donetsk, Alexey Kulemzin, spoke of a “barbaric attack” on a …