Russia announces immediate 'partial mobilization' of citizens, escalating its invasion of Ukraine

Russian President Vladimir Putin has announced the immediate "partial mobilization" of Russian citizens, a move that threatens to escalate his faltering invasion of Ukraine following a string of defeats that caused recriminations in Moscow.

Putin said in a speech Wednesday that he would use "all the means at our disposal," and threatened the use of nuclear weapons, if he deemed the "territorial integrity" of Russia to be jeopardized.

The mobilization means citizens who are in the reserve could be called up, and those with military experience would be subject to conscription, Putin said, adding...