US President Donald Trump has berated his predecessor Joe Biden as "an embarrassment" to the US and accused him of mismanaging the Ukraine conflict, arguing that it led to many preventable casualties.

YUZHNO-SAKHALINSK, February 9. /TASS/. An emergency situation regime was declared in Nevelsky District of the Sakhalin Region in Russia’s Far East after a foreign vessel ran aground near the island, ...