DAVIS (CBS13) – Police in Davis are investigating a series of daytime robberies reported over the weekend.

Davis police say the first two incidents happened on Saturday. In the first, around 1:20 p.m. along the 1200 block of Alvarado Avenue, a suspect reportedly walked up to the victim and pulled up his shirt, revealing what looked like the handle of a knife in his waistband.

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The second incident happened along the 1400 block of West Covell Boulevard around 5:30 p.m. Two people reported that they were walking when a man went up to them and demanded money. The suspect reportedly had his hand in his pocket like he had a weapon.

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The final incident happened on Sunday a little after 2:30 p.m. A man reportedly walked up the victim near Cowell Boulevard and Ensenada Drive and demanded money. This suspect reportedly flashed a gun, police say.

Officers are asking people to be extra cautious and always aware of their surroundings when out walking.

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Anyone with information relevant to the investigation is asked to contact Davis police.