Exclusive: Rosneft's Sechin flies to Venezuela, rebukes Maduro over oil shipments

WASHINGTON/MEXICO CITY (Reuters) - The head of Russian oil company Rosneft , Igor Sechin, flew to Caracas this week to meet Venezuelan President Nicolas Maduro and complain over delayed oil shipments designed to repay loans, two sources briefed on the conversation said on Saturday.The visit, which was not publicly disclosed, is one of the clearest signs of strain between crisis-stricken Venezuela and its key financier Russia.Over the last few years, Moscow has become Venezuela’s lender of last..