RIYADH/JEDDAH: Ukrainians living in Saudi Arabia have been watching the news, concerned for the safety of their families and friends, and alarmed by events in their home country. “Missiles, sirens all the time, explosions in this area, and bomb shelters,” said 23-year-old Ukrainian Kateryna Tkachenko, who lives in Jeddah. “This is all the news that we've been getting since it