(Mankato, MN)  —  Two men are behind bars in connection to a knife assault in Mankato.  Police say 54-year-old Thomas Geisler and 50-year-old Ronald Fairbanks were charged Wednesday for allegedly assaulting two people with a knife.  According to reports, Fairbanks threatened to beat one victim and also claimed he would cut up the victim’s face.  The second victim also says Geisler swung a knife over him several times.  Both men now face felony counts of 2nd-degree assault with a dangerous weapon and threats of violence.