evidence: Kyiv said the Russians' actions violated a 2003 bilateral treaty designating the Sea of Azov and Kerch Strait as shared territorial waters and the UN Law of the Sea, which guarantees access through the strait. [...] As the incident unfolded, Russia blocked the Kerch Strait -- the only passage to and from the inland Sea of Azov, which is jointly controlled by Russia and Ukraine -- by anchoring a freighter across the central span of its six-month-old Crimean Bridge. [...] Russia's flagship news program claimed the Kerch Strait incident was a Ukrainian provocation ordered from Washington in a bid to sabotage an upcoming meeting between President Donald Trump and Putin at this week's Group of 20 (G20) summit in Argentina.