Man City sign Palace defender Guehi
City stepped up their pursuit of the England international after suffering an injury crisis at centre-half.
Guehi, who came close to joining Liverpool on transfer deadline day in September, is City's second signing of the January transfer window after their capture of Ghana winger Antoine Semenyo from Bournemouth for about £65 million.
"I am really happy and incredibly proud to be a Manchester City player," Guehi said.
"This move feels like the culmination of all the hard work I have put into my career.