A man smokes while walking past a mural, which was painted on a multi-storey building in support of the Russian army, in Moscow, Russia September 21, 2022.
read morePrices for air tickets out of Moscow soared above $5,000 for one-way tickets to the nearest foreign locations, with most air tickets sold out completely for coming days.
$5,000 TICKETSA tourism industry source told Reuters that there was desperation as people sought to find air tickets out of Russia.
Traffic arriving at Finland's eastern border with Russia "intensified" overnight, the Finnish Border Guard said.
read moreRussian police detained more than 1,300 people in Russia on Wednesday at protests denouncing mobilisation, a rights group said.