Railway workers at the site of the collision of two freight trains at the Kupchinskaya railway station in outskirts of in St. Petersburg, Russia, Tuesday, July 28, 2020. According to the Russian Ministry of Emergency Situations, there is no delay in passenger trains, a bypass route has been organized. As a result of the emergency, two people were injured, one of them refused hospitalization. (AP Photo)

Railway workers stand at the site of the collision of two freight trains at the Kupchinskaya railway station in outskirts of in St. Petersburg, Russia, Tuesday, July 28, 2020. According to the Russian Ministry of Emergency Situations, there is no delay in passenger trains, a bypass route has been organized. As a result of the emergency, two people were injured, one of them refused hospitalization. (AP Photo)

Railway workers at the site of the collision of two freight trains at the Kupchinskaya railway station in outskirts of in St. Petersburg, Russia, Tuesday, July 28, 2020. According to the Russian Ministry of Emergency Situations, there is no delay in passenger trains, a bypass route has been organized. As a result of the emergency, two people were injured, one of them refused hospitalization. (AP Photo)