Sydney Corcoran, 19, and her mother Celeste suffered severe injuries in the bombing, with Celesete losing both of her legs.
Kim Donuhe, wife of Richard "Dic" Donohue who was injured following a shootout with the Tsarnaev brothers, expressed her reaction.
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Rebekah Gregory lost her leg two years ago in the attack.
PHOTOS: Rebekah Gregory runs again
On Friday, Gregory tweeted saying she was wishing for the day to be over.
The Watertown Police Department also released a statement on Friday, commending the jury's decision while sending their thoughts and prayers to the victims of the bombing.
Adrienne Haslet, a victim who lost part of her leg in the bombing, tweeted in approval of Tsarnaev's sentence.