Social media users and news outlets in Ukraine have reported on red crosses that they say have mysteriously appeared on some streets in Moscow and speculated as to what they might mean. The markings on roads in the Russian capital spurred some theories that they could be targets for drone or missile attacks ahead of Tuesday's parade in Red Square marking Victory Day, which commemorates the Soviet role in the defeat of Nazi Germany in 1945. "In Moscow, people are going crazy because of the red crosses that have appeared around the city," wrote Ukrainian journalist Andrey Tsaplienko on his...