UPDATE: Explosions were again heard early in the morning in Kharkiv. This story is still developing. Russians attacked civilian areas, Terekhov said about the initial attack. One house was reported damaged in the night attack. Authorities are still determining the number of injured. The Air Force announced a missile threat in Sumy and Kharkiv oblasts. An air raid alert was declared earlier in six oblasts in the east of Ukraine, including Kharkiv Oblast, due to the use of ballistic weapons, but 30 minutes later it was a repulse. Read also: Woman killed, two men injured after Russia attacks an a…