Moscow: The wail of air raid sirens is commonplace in Belgorod, a Russian border city whose residents are on edge following a Ukrainian missile attack on a New Year’s holiday weekend that left dozens of people dead and injured. A spectacular explosion rocked a huge fuel export terminal on the Baltic Sea southwest of St. Petersburg this month from a Ukrainian drone, forcing the energy company Novatek to suspend operations for several days.Moscow: The wail of air raid sirens is commonplace in Belgorod, a Russian border city whose residents are on edge following a Ukrainian missile attack on a New Year’s holiday weekend that left dozens of people dead and injured. A spectacular explosion rocked a huge fuel export terminal on the Baltic Sea southwest of St. Petersburg this month from a Ukrainian drone, forcing the energy company Novatek to suspend operations for several days.