CarCarll captured the helicopter lowering a new HVAC unit onto 1 Beacon St. this morning, in an operation that went long enough to make people ask/kvetch why they couldn't do it on a weekday instead of Sunday morning.

A closer view: Read more.

A company that is opening a medical-marijuana dispensary in East Boston said it has a purchase-and-sale agreement to buy BC dive Mary Ann's on Beacon Street and rebuild the decrepit place into a contemporary pot shop serving both recreational and medical marijuana users. Read more.

The T is reporting delays of up to 25 minutes on the Green Line to and from Cleveland Circle due to a trolley there that remains stubbornly dead.

Handmaids against Kavanagh will hold a vigil on Beacon Street outside the State House at 6:45 p.m. That'll then morph into an Everyone against Treason protest until 10 p.m.

The FBI's Bank Robbery Task Force has posted photos of the man it says robbed the Santander Bank branch on Tremont Street at Beacon. Read more.

Hours after a wrecking crew tore down a partially collapsed building in East Boston, the chimney of a building under renovation at 361 Beacon St. in the Back Bay collapsed and plunged to the first floor. Read more.

"Moderate" delays due to the froze-up trolley at Washington Street, the MBTA says.

Rami reports the driver of this car somehow flipped it at Beacon and Charles streets in Coolidge Corner shortly before 9 p.m.

Fire crews worked hard hard to pull driver out. She seems okay.

Aline Kaplan introduces us to the architecture and possibly haunted history of the Charlesgate, a hotel turned dorm turned rooming house turned dorm again turned condos at Beacon Street and Charlesgate on the edge of the Back Bay.

The glowing spirits of horses that died in a flood have been seen on the ground floor where a stable was supposedly located. The building’s original plans show no stable on the premises, although you can have night-mares without real horses.