Two masked men with handguns entered a Tesoro station just after 2 a.m. Friday.

Police in Wahpeton are investigating the armed robbery of a convenience store.

KFGO radio reports (http://bit.ly/10xA7Zo ) that two masked men with handguns entered a Tesoro station just after 2 a.m. Friday and forced the clerk to open two cash registers.

The suspects fled with an undisclosed amount of cash. The clerk was shaken up but not hurt.