(Vancouver, WA) -- Police say they've arrested a man and a woman accused of robbing nearly a dozen banks in Portland and Vancouver. The Clark County Sheriff's Office says officers arrested 31-year-old Andrew Bekman and 28-year-old Amira Askew yesterday morning at a home in Battle Ground. The duo is accused of robbing ten banks by handing tellers notes demanding money and implying they had a gun. Police say a public tip led to the arrests.