A santa cruz bank was robbed this morning. At 11 a.m., a man entered the chase bank on the 7-hundred block of ocean street, and approached a teller. Police report that the man handed a threatening note to the teller, which demanded money. The man was given an undisclosed amount of money, with an exploding ink cartridge inside. The suspect was not visibly armed, and nobody was injured. He was last seen running toward water street. police report that the ink cartridge did explode. authorities are reviewing surveillance video footage.