Russia-appointed officials in occupied Crimea have announced a regional emergency as oil was detected on the shores of Sevastopol, the peninsula's largest city. Fuel oil spilled out of two stricken tankers nearly three weeks ago in the Kerch Strait, about 250 kilometres from Sevastopol on the southwest of the peninsula. "Today a regional emergency regime has been declared in Sevastopol," regional Governor Mikhail Razvozhaev wrote on Telegram. Oil was found on four beaches in the region and was "promptly eliminated" by local authorities working together with volunteers, Razvozhaev said. "Let me emphasise: there is no mass pollution of the coastline...