SUPERIOR, WI (KDAL) - Superior Police are investigating a string of burglaries and attempted burglaries at two area ICO Convenience Stores. In the last two weeks, police have responded to 4 burglary alarms at the ICO's at 2704 North 21st Street in Billings Park and at 5926 Tower Avenue in South Superior. About 2500 dollars worth of cigarettes were taken from the South Superior store in burglaries on July 3rd and 5th. On July 9th and 13th squads found a smashed glass door to the Billings Park store but the burglars were unable to gain entry. Damage at the two stores was estimated at over 5500 dollars. Police are seeking the public's help in locating those responsible and ICO is offering a 1000 dollar reward for information that leads to an arrest.