At least five people were killed in a Russian artillery attack on the city of Kostyantynivka in eastern Ukraine, according to the local authorities on Saturday, who said another five civilians were injured when the shells hit a residential area. Kostyantynivka is located in the Donetsk region and repeatedly comes under Russian artillery fire as Moscow seeks to claim the area. Russian military forces repeatedly attack Ukrainian cities with rockets, artillery or even aerial bombs, in seemingly arbitrary attacks that have led to a high number of Ukrainian civilian casualties. Media: Russian weapo…