A major flu outbreak has hit Kremlin and could force Russian President Vladimir Putin into isolation in a bunker, a report in Metro said. The development comes a day after officials announced that Mr Putin will not hold his annual end-of-year press conference this year. Since Kremlin spokesman Dmitry Peskov gave no reason or the break with tradition, several outlets are claiming that it has been done due to health issues Mr Putin is facing. After Russia launched its offensive against Ukraine in February this year, there has been a renewed focus on Mr Putin's health. "Yes, this year, flu...