Putin signs treaty to annex Crimea

In a speech, Russian President Vladimir Putin said ‘‘in people’s hearts and minds, Crimea has always been an integral part of Russia.’’

US Vice President Joe Biden (left) and Polish Prime Minister Donald Tusk at a press conference in Warsaw, Poland.

JANEK SKARZYNSKI/AFP/Getty Images

In Poland, Biden slams Russia’s actions as ‘land grab’

US Vice President Joseph Biden said the world sees through Russia’s actions on Crimea, adding that more sanctions are coming.

A sign in Newton Centre advertised Newton North High School's production of

Some slam ‘racist’ stereotypes in play at Newton North

A stage version of “Thoroughly Modern Millie” is triggering a backlash from Asian-Americans who say the musical’s racist stereotypes are hurtful and unacceptable.

Jean Hanff Korelitz chronicles the emotional unraveling of her well-to-do therapist heroine.

Book Review

‘You Should Have Known’ by Jean Hanff Korelitz

In its mesmerizing first chapter, the novel throws down the riveting preamble to its no-holds-barred, chilling gauntlet.

Smoke rose from the scene of a news helicopter crash outside the KOMO-TV studios near the Space Needle in Seattle.

KOMO-TV/AP

2 dead after helicopter crashes near Seattle Space Needle

The news copter was apparently lifting off from its rooftop when it possibly hit the side of the building and went down.

BU freshman killed during taxi robbery in Mexico City

The student was killed during a robbery in his hometown of Mexico City, according to the university.

Computer sent missing Malaysia plane off flight path

The first turn that diverted the missing Malaysia Airlines plane was most likely programmed by someone in the plane’s cockpit.

Opinion

TOM KEANE

The symbols of Boston’s St. Patrick’s Day celebrations

Boston’s St. Patrick’s Day breakfast and even the parade were glimpses of a new city, yet vestiges of old Boston remain.