ISTANBUL (Reuters) – The Ukrainian Embassy in Ankara said on Friday there are 86 Turkish citizens sheltering in a mosque in the besieged southern Ukrainian port of Mairupol, as Russian forces continue shelling the city. Citing local authorities, the embassy said Russian forces had been shelling the city, including the mosque, since the early morning hours. It said 34 of the Turkish citizens hiding there were children. Turkey’s Foreign Ministry did not immediately comment. Turkey has been helping its citizens leave Ukraine via buses and trains since Russia’s invasion began. Foreign Minister Mev…