Police in Glens Falls are asking people to stay vigilant, after three attempted armed robberies over just 36 hours. The most recent one was Thursday morning around 1 a.m. at the intersection of Bay Street and Union Street. WNYT reports two others happened Tuesday night around 11:30, near Larose Street and Broad Street, as someone dressed in black clothing, wearing a black face mask, walked up to people pointing a gun and demanded money.