By Joseph Salvador The IOC has called on international federations to cancel or move events planned in Russia and Belarus. Earlier this month, Ukrainian skeleton rider Vladyslav Heraskevych flashed a sign at the Olympics: “No war in Ukraine.” On Sunday, he was hunkered down about 150 kilometers (90 miles) outside of his nation’s capital with weapons nearby in case he needs to defend his country. “I am a student,” the 23-year-old said in a phone interview with The Associated Press. “I am not experienced in these type of things. But I am ready to stand strong and help in any way I can.” With Rus…