Ukraine’s armed forces braced on Monday for a new Russian offensive as powerful explosions rocked cities in the south and east, while Austria’s leader planned to meet Russian President Vladimir Putin and call for an end to the conflict. Ukrainian President Volodymyr Zelensky kept up his tireless campaign to generate international support and rally his countrymen, warning the coming week would be important and tense. “Russia will be even more afraid. It will be afraid to lose. It will fear that the truth will have to be acknowledged,” Zelensky said in a late-night video address. “Russian troops…