The FBI is asking for the public's help in finding a couple they say carried out a "takeover-style" armed bank robbery in East Chicago. A news release says police are searching for Jeremiah Ellis and Ashley Patterson, of the 48-hundred block of Homerlee in East Chicago, both wanted on federal arrest warrants in the robbery of the First Merchants Bank in the 47-hundred block of Indianapolis Boulevard. Police say the two are believed to be in the Chicago area with their two young children. According to a criminal complaint filed Thursday in US District Court in Hammond, the suspects were both armed with handguns when they entered the bank Saturday morning and announced a robbery, ordering bank employees and customers to the floor According to the FBI, the robbers were seen fleeing the bank in a late-model Chevy Tahoe, and as East Chicago police officers tried to stop them, police allege Ellis got out of the vehicle, fired at the officers, then got back into the vehicle and fired at officers again as the Tahoe drove away. The FBI says Ellis is described as a male, black, 6’1” tall and 154 pounds, with brown hair and brown eyes and a tattoo on the right side of his neck. Patterson is described as a female, black, 5’10” tall and 160 pounds, with black hair and brown eyes. Both are considered armed and dangerous. Anyone with information about their whereabouts is asked to call the Chicago office of the FBI at (312) 421-6700 or local law enforcement authorities.