The police department celebrated the promotion of two of its officers Wednesday. Officer John Kelley was promoted to the rank ...

ARLINGTON, MA — The Arlington Police Department is looking for a missing resident who it says has an extensive mental history and may be suffering from psychosis. 46-year-old Carolina Marguerita ...

according to the Arlington County Police Department. At 7:20 p.m., an Arlington Alert said, "Large crowds are causing disturbances at the mall," and police were seen on video obtained by 7News ...