Russia has rejected a call by Germany to fully clarify the circumstances of the death of opposition figure Alexei Navalny in a Siberian prison camp, saying that amounted to meddling in its internal affairs. "German representatives were informed that this situation is an exclusively internal affair of the Russian side, which, as has already been explained, will conduct a proper professional investigation in such cases," the Russian embassy in Berlin wrote on Telegram on Monday. It comes after the