Tulsa police are investigating an armed robbery on Monday morning.

The robbery took place at a CVS Pharmacy near 71st and Yale, according to police.

Police say a man, who was armed with a crowbar, walked into the CVS pharmacy around 6:40 a.m. on Monday wearing a mask and a hoodie.

According to police, the man robbed the cash register before fleeing the scene on foot.

Police have set up a perimeter and are now searching the area for the man responsible.

This is a developing story, stay with News On 6 for the latest updates.