A manhunt is underway after a robbery in Marshalltwon today. The 1st Members Credit Union in Marshalltown reported the robbery at 11:22 this morning. Marshalltown Police Chief Lon Walker says a man entered the credit union, demanded money and then left in an older grey Mazda pickup truck. He says they’re looking for an Hispanic male between five-foot-four and five-foot-seven, wearing white tennis shoes, a white hooded sweatshirt, ski mask, dark gloves and dark pants and carrying a handgun. Walker says the suspect then left town southbound on Highway 14.