President Vladimir Putin vowed Saturday to punish the organizers of an armed rebellion in Russia after Wagner Group mercenary chief Yevgeny Prigozhin led his troops out of Ukraine and into a key southern city.
Putin denounced the uprising as “a stab in the back.” It was the biggest threat to his leadership in over two decades in power.
The private army led by Prigozhin appeared to control the military headquarters in Rostov-on-Don, a city 660 miles (over 1,000 kilometers) south of…