KYIV, Ukraine (AP) — Ukraine’s electric power grid chief warned of several hours-extensive energy outages Friday as Russia zeroed in on Ukraine’s power infrastructure with significant artillery and missile attacks that have interrupted materials to as substantially as 40{8ba6a1175a1c659bbdaa9a04b06717769bcea92c0fdf198d429188ebbca09471} of the country’s people today at the onset of wintertime. Freezing temperatures are placing further pressure on electricity networks, grid operator Ukrenergo mentioned. “You constantly have to have to get ready for the worst. We comprehend that the enemy would like to damage our electric power program in general, to result in very long outages,” Ukrenergo’s chief govt Volodymyr Kudrytskyi informed Ukrainian condition tv. “We will need to prepare for achievable…