The appointments come amid a looming purge within the top leadership of Kenya Kwanza.
The attack saw motorists stranded for over three hours.
Ruto has been making appointments that analysts say are rewards to allies.
In the China deal, a subsidiary of Chinese construction company was to run the SGR for 10 years.
Ruto's party is seeking more mergers to position itself to win the 2027 polls.
The call comes as fractions emerge in Cabinet and within the ruling party, UDA.
Ruto has invited a mega Chinese firm to build a factory in Kenya.
This is the first time Uhuru has spoken over the movement that took over the streets last year.
Kenyans have cultivated a culture of charging their phones overnight.
The governors were forced to clarify the matter after concerns over possible interruption of learning activities in counties.
