Cities across America are sending out messages of love and condolence to Boston, where two explosions at the Boston Marathon killed three, and injured almost 200 participants and bystanders.

The tragedy took the life of 8 year-old Martin Richard, who was killed while watching his father finish the race.

Six to eight patients at Massachusetts General Hospital are in intensive care, and the entire nation is in mourning.

In a stand of solidarity with Boston, cities across the country have made public statements of support.

Using themes of light, various artists and groups have sent messages that allude to there being cold, miserable darkness now, but brightness will soon come. (See photos here).

In Milwaukee, Wisconsin, members of the Overpass Light Brigade stood with lit signs on the side of the road that read, "We mourn with Boston." 

New York City's light artist The Illuminator set up a display on one of the Brooklyn Academy of Music buildings with different messages set into rotation.

One read, "NY <3 B" written in the "I Love New York" and Red Sox fonts.

Someone standing on the ground held up a lit sign that read, "peace."

"Brooklyn Loves Boston", lit up the side of the building next, followed by the quote, "Darkness cannot drive out darkness, only light can do that."

Other messages read, "togetherness is the key," and "peace and" an arrow pointing downward, indicating towards a sign on the ground that replaced former "peace" with "love".

Meanwhile, in Chicago, the front of the Chicago Tribune sports section bore a black square in the middle of the page that read, "We are Chicago Red Sox, we are Chicago Celtics, we are Chicago Bruins, we are Chicago Patriots."

As far as Hawaii, Americans showed love for the travesty in Boston.

"Aloha Boston," written in the manner as previous signs, lit up a Hawaiian beach-side town.