"Even though the heavy rains have ended, the flood hazard to life and property is real," city officials said.
Pyotr Verzilov fell ill on Sept. 11 after attending a friend's court hearing in the Russian capital.
Both incidents are alleged to have happened in 2016 but investigators suspect there may be more victims.
Celia Barquín Arozamena, 22, who had been golfing alone, was found with stab wounds around her head, neck and upper body.
Now in the midst of the #MeToo movement, McDonald's workers who have faced sexual harassment and their supporters went on strike Tuesday in 10 cities.