Key developments on Sept. 17:
* Ukraine ratifies historic 100-year partnership with UK
* IAEA reports shelling, black smoke near Russian-occupied Zaporizhzhia nuclear plant
* Pro-Ukraine partisans sabotage railway, disrupt Russian logistics 1,600 km from border, group claims
* Ukraine captures Kenyan serving in Russian army, who claims he was tricked into joining
* Russia preparing 2 more 'heavy offensive campaigns,' Zelensky says
The Ukrainian parliament on Sept. 17 ratified a 100-year p