Ukraine and Russia: What you need to know

Updated August 5 2022 - 10:48pm, first published 10:43pm
Ukraine's southern frontline city of Mykolaiv will impose an unusually long curfew over the weekend. (AP PHOTO)

Shells have struck a high-voltage power line at a major nuclear power plant, in Ukrainian territory captured by Russia, prompting operators to disconnect a reactor despite no radioactive leak being detected.