By Natalia Zinets and Mari Saito LVIV, Ukraine (Reuters) – The mayor of Lviv said another rocket had hit the city in western Ukraine on Saturday, not long after two rockets struck its outskirts in what appeared to be the first attacks within the city’s limits since the start of the war with Russia. Lviv, some 60 kilometres (40 miles) from the Polish border, has so far escaped the bombardment and fighting that has devastated some Ukrainian cities closer to Russia since Moscow launched its invasion on Feb. 24. But on Saturday Governor Maksym Kozytskyy said two rockets had struck the city’s easte…