Massachusetts Gov. Deval Patrick has asked residents to observe a moment of silence at 2:50 p.m.

NPR: Boston Marks Week From Marathon Bombs With Silence

Massachusetts Gov. Deval Patrick asks residents to observe a moment of silence Monday at 2:50 p.m.

NPR: 10 Things To Know For Monday

Governor Patrick has asked Bostonians to observe a moment of silence for the victims at 14:50 local time (18:50 GMT).

BBC: Boston Marathon bombs: Prosecutors prepare charges

The Celtics gathered with the Raptors at midcourt to observe a moment of silence in honor of the victims prior to Wednesday night's regular-season finale.

NPR: Celtics Back On Court, Offer Tribute To Victims