Just yesterday (6th February), Lenovo released an announcement to inform customers that the ThinkPad X1 Carbon model is being recalled.
According to their advisory, the ThinkPad X1 Carbon 5th Gen has been recalled due to a potential fire hazard from a defect in their laptops. An excerpt from the ...

http://www.worldofbuzz.com/lenovo-thinkpad-may-fire-hazard-heres-can-check/