2 robberies in eastern Idaho over the weekend

IDAHO FALLS, Idaho (AP) - Police are investigating two robberies that occurred in eastern Idaho over the weekend.
   
Bonneville County authorities received a report Saturday night of a gas station being robbed in the community of Ammon, near Idaho Falls.
   
Police say a person wearing a ski mask entered the station and told the clerk to put money in a bag. No weapon was displayed or threats to use a weapon made.
   
An undisclosed amount of money was taken, and the suspect fled on foot.
   
In Bannock County, police say a man robbed the ISU Credit Union in Chubbuck on Saturday afternoon.
   
Police said the man showed a gun and fled on foot. Two employees were reportedly tied up but not hurt.
   
In both cases, police were unable to immediately find the suspects.