Police have released surveillance video of a man believed to be the armed robber in a series of incidents in Midtown West and the Upper East Side earlier this week.

In each case, the man walked up to the victim at gunpoint and demanded their property.

On Sunday, 51-year-old man was robbed at about 4:20 a.m. in front of 213 E. 88th St., between 2nd and 3rd avenues, and a 25-year-old man was robbed at about 5:20 a.m. in front of 333 E. 70th St., between 2nd and 3rd avenues.

On Monday, a 42-year-old woman was robbed at about 2 a.m. in front of 320 W. 55th St., between 8th and 9th avenues, and another person was robbed 10 minutes later in front of 340 W. 55th St.

The surveillance video captured the incident from the robbery on East 70th Street. 

Anyone with information is asked to contact Crime Stoppers at 800-577-TIPS or at nypdcrimestoppers.com.