Boston Blotter: A 40 To the Head in Somerville

-- A 30-year-old Somerville woman was arrested early Saturday morning for assaulting a man with a 40 ounce bottle of King Cobra, according to police. The suspect believed that the victim was courting the woman she believed to be her girlfriend, authorities say. [Somerville Journal]

-- An East Falmouth man drunkenly tried to kill his passenger girlfriend by ramming his car into a tree, police say. [Herald]

-- A Norwood babysitter is wanted on charges that she assaulted the 4-month-old baby who had been left in her care. [Herald]

-- The chief of the Revere library system has resigned after allegations arose that he misused city funds. [Herald]

-- Boston police are hot on the trail of Sidekick thieves. Sidekick robberies accounted for 14% of total robberies in the city last year. [BPDNews]

All charges alleged until proven under law.