Today is the anniversary of the Chernobyl disaster, which showered nearby Belarus with fallout. On Saturday, a group of Boston-area resident of Belarusian descent marked the anniversary - which and to call for an international probe of conditions at a nuclear plant in Ostrovets in Belarus

Shortly before 1 p.m., Sara Mak and a companion surveyed the scene at the State House (then reconnoitered the surrounding area).

Compare to the situation on Sunday, when Boston Police shut down the streets around the State House.

The Boston Cannabis Board this week approved the transformation of Mary Ann's, once Cleveland Circle's premier sticky-floor bar, into a recreational marijuana shop. Read more.

Update: 1:40 p.m. A hazmat crew in the building got no hydrogen-sulfide readings; the gas has dissipated through the lab vent system.

Boston firefighters are at Boston College, at the Brighton/Newton line, where a liter bottle of hydrogen sulfide has leaked in Merkert Hall, inside a hood, at least, which might minimize exposure and its rotten-egg smell. Police have been requested to block traffic on Beacon Street.

Travel New England spotted this pile crossing the Beacon Street trolley tracks at St. Paul Street today.

The State Library of Massachusetts recounts the struggle to get the Robert Gould Shaw memorial built across from the State House - including an effort in the 1980s to add the names of the Black soldiers who fell in battle with Shaw added to the names of the white officers whose names had initially been the only ones inscribed there.

Boston Police report arresting two men from Boston and one from Chelsea for a shooting near 37 Beacon St. Tuesday afternoon. Read more.

The folks at the Boston City Archives have been going through a collection of photos from the Flynn administration and are asking for help to identify these three men, photographed in front of the Robert Gould Shaw memorial on Beacon Street in the 1980s.

New England Folklore recounts the story of the two elms that flank the Robert Gould Shaw memorial at Beacon and Park streets - planted by John Hancock himself before the Revolution. Turns out the memorial sits on a vault designed to protect the roots of the trees.