We re in a really bad position right now, Trump, 75, said on Saturday from West Palm Beach, Florida, before claiming this would have never happened if he was in office.
Biden told Vladimir Putin on Saturday that Russia would face swift and severe costs if it invaded Ukraine, amid frantic efforts to persuade Moscow to pull back.
Citing the Russian defence ministry, Interfax reported that the US submarine was detected near the Pacific Kuril islands as Russia conducted naval exercises with its Pacific Fleet.
A senior State Department official said the Biden administration would continue diplomatic efforts to "ensure that Ukraine does not become a war zone."
US EXIT: Amid fears Russia might invade, Washington was expected to pull out almost all of its diplomatic staff, while Taipei said it is opposed to any use of force/ Staff writer, with AP, WASHINGTON