Calgary police are investigating a series of overnight armed robberies.
The first happened at a Dominos Pizza location in the 5300 block of 17 Avenue S.E. at around 11:20 p.m. on Sunday.
Police said a man entered the eatery with a knife, demanding cash from the employee inside.
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About 30 minutes later, a man with a knife entered Alberta Choice Liquor LTD. in the 5100 block of 47 Street N.E., eventually making off with an undisclosed amount of cash.
Finally, at around 12:42 a.m., officers were called to the 100 block of 36 Street S.E. for a third robbery.
Anyone with information on any of the incidents is asked to call police or contact Crime Stoppers.