Authorities are searching for three men who have been charged in connection with an armed robbery at an Alton residence in late December. The Madison County State’s Attorney’s Office reports that 24-year old Devonte D. Tillman, 26-year old D’Marko M. Phipps and 19-year old Nathan S. Vann, all of Alton, have each been charged with felony counts of home invasion and armed robbery after the trio allegedly robbed a home located at 912 Royal Street on December 28, 2014. Vann has also been charged with unlawful possession of weapons by a felon in connection to the alleged crime. All three men remain at large. Anyone with information on their whereabouts is asked to contact the Alton Police Department at 463-3505.