Russian forces are in control of large areas of the besieged Black Sea city of Mariupol, said Ukrainian officials. “Not everything is in our power,” Mariupol Mayor Vadym Boichenko told CNN on Monday. “Unfortunately, we are in the hands of the occupiers today.” Fewer than half the city’s residents have remained, he also said. “According to our estimates, about 160,000 people are in the besieged city of Mariupol today, where it is impossible to live because there is no water, no electricity, no heat, no connection,” he continued. “And it’s really scary.” The apparent loss of the city comes after about a month of heavy bombardment as well as days of fighting in the streets. Mariupol is likely considered a strategic city for Russia because capturing it would allow Moscow to connect its forces in the Crimean Peninsula with the separatist Donbass region. Ukrainian President Volodymyr Zelenskyy on Tuesday said in …