A man dressed up as a ninja attempted to rob a Richfield, MN Lunds grocery store.  Because the cashier thought this ninja was pulling a prank, he refused to give the ninja money and the suspect fled.

The suspect stood in line before he demanded the cashier turn over the money in the register, reportedly waving his sword in the air.

The cashier and other customers inside thought the suspect was pulling a prank. The cashier refused to give the suspect the money and he fled the scene.

Richfield Police were called. They searched the neighborhood for the suspect but he managed to slip away into the night in the manner of a ninja.