Flash seen over thousands of kilometres but scientists disagree over the cause.
Would-be participants accuse Yevgeny Pyatkovsky of cheating them over the ultimate reality game show combating bears and wolves on an Ob River island.
Russian president hints at possible future 'compromises' on dispute over the islands, as 2nd Eastern Economic Forum opens in Vladivostok.
New tourism offices planned across China as government eyes up five-fold increase in visitors crossing the border.
The aim? To put in place a Moscow government 'friendly' to Washington, and to protect US interests and citizens.
Nicknamed Forrest Gump, he completes a 9,905 kilometre odyssey braving temperatures as low as minus 48C on his 18 month adventure.