The arrested individual has been identified as Saqib Shamsi. On Tuesday night, he posted the 'false news', and made it viral.
Saqib is a resident of Gulab Nagar area in Bareilly.
It has been mentioned in the FIR that he posted a picture of Yogi Adityanath in his status, and wrote: "Yogiji passed away at 12.30 midnight."
Meanwhile, a senior police officer said that Saqib would be booked under stringent sections of the Indian Penal Code since his post was designed to create unrest during elections.