A window was smashed to steal from T&T Market in Kennewick on Sunday night.
The thieves stole the cash register, beer, cigarettes and food, according to the Kennewick police.
The damaged building was discovered Monday morning.
The police are asking the public to help. If anyone has information about the thefts, they are asked to call the Kennewick police at 509-585-4208 or contact Tri-Cities Crime Stoppers at 800-222-TIPS or 509-586-8477.