Police: 4 men arrested for gun possession, having illegal prescription medication

Police say four men were arrested for gun possession and having illegal prescription medication in Union.
They say officers pulled over the suspects' car and discovered three loaded handguns and prescription cough syrup in cups mixed with soda.
Police say they're investigating if the men were involved in any recent armed robberies. They say one of the men escaped, and that there's a warrant out for his arrest.