Boston Blotter: Road Rage Stabbing in Union Square

-- A road rage altercation ended in bloodshed in a Union Square parking lot when a 35-year-old Jamaica Plain man was stabbed by an unknown assailant who escaped the scene. The victim suffered non-life-threatening injuries. [Somerville Journal]

-- A 28-year-old woman was assaulted on Sacramento Street near Porter Square as she jogged down the stairs of a pedestrian underpass. [Somerville Journal]

-- Boston police nabbed a pair of male alleged common nightwalkers during a vice sweep of Blue Hill Ave. in Roxbury early Sunday morning. [BPDNews]

-- A weekend sweep of Dorchester's Hendry St. by the Youth Violence Task Force netted seven, after Boston police escaped a swarm of violent youth. [Boston Herald]

All charges alleged until proven under law.