The Fort Madison Police Department says they've made a series of arrests in connection to an altercation at Captain Kirks Bar on January 14.
Three of the four people arrested face charges of Willful Injury which is a Class C felony, while the fourth person involved is charged with Assault with a Dangerous Weapon.
The three peope charged with Willful Injury are; Adams Michael Fraise, 24, Brent Thomas Knustrom, 23 and Graham Thomas Glenn, 27.
The other person charged in the altercation was 58-year-old Kirk Tracey Butler, who faces one count of Assault with a Dangerous Weapon.
All four people will appear in court later this month.