Dorchester

Boston Police alert us that they, BFD, Boston EMS and mall security will conduct "a full scale training exercise" at the South Bay Mall at 5 a.m. on Sunday and so you shouldn't be alarmed at what you might see or hear should you pass by the mall then - or hear alarming calls on the local scanner channels.

A man on a stolen scooter packing a gun full of ammunition tried to ram one of the cops who had pulled him over on a Dorchester sidewalk early this morning, only to have the officer step aside at the last minute, sending the guy and his passenger flying onto the asphalt after the scooter jumped the curb and spun out of control, police say. Read more.

Boston Police report charging a 73-year-old Cambridge man with the stabbing of a 57-year-old man at Blue Hill and Franklin Hill avenues around 7:30 p.m. on Tuesday. Read more.

The MBTA reports the latest extended Braintree shutdown and a briefer Ashmont closure let workers lift 37 slow zones across 18 miles of track - getting the Red Line up to such speed it's shaved 10 minutes off the duration of a one-way trip between Braintree and downtown Boston over last month. Read more.

A developer has filed plans for a six-story, 59-unit apartment building at 101-109 Boston St., right next door to the prominent Fortress self-storage building with the giant inflatable lock off I-93 near South Bay Mall. Read more.

CommonWealth Beacon considers the decision by Sean O’Brien, a Medford native who worked his way up from Teamsters Local 25 in Charlestown to become president of the national union, not to have the union make an endorsement in this year's presidential election. It notes that a number of Teamsters locals have endorsed Harris, including Local 122 in Dorchester.

Update, Tuesday a.m.: The MBTA rolled out shuttle buses to replace Ashmont Red Line service after the water disrupted power to the trains.

A National Grid crew working in the street at Dorchester Avenue at Ashmont Street in Dorchester around 6 p.m., struck a Boston Water and Sewer Commission main, turning Peabody Square into an impassible lake and forcing firefighters to evacuate at least one building after they started smelling a strong odor of gas. Read more.

Boston firefighters responding to a medical call found a man stabbed in the chest and stomach at the Charles Street entrance to the Fields Corner MBTA stop in Dorchester around 8:05 p.m. on Sunday. He was taken to a local hospital with injuries not considered life threatening.

It's the second stabbing near the station in less than a week.

Boston Police posted an urgent message, in big red letters today: Stop showing up at the Carney Hospital ER, because it doesn't exist anymore. Call 911 instead, because unlike Steward, they care.

WFXT reports four students from the Mason Elementary School in Roxbury and an adult were taken to local hospitals with minor injuries after a school-bus crash on Southampton Street shortly before 3 p.m. on Thursday.