U.S. President Barack Obama will head to Boston on Thursday after the deadly explosions rocked the city's well-known marathon race, the White House announced on Tuesday in a statement.
The third victim in Boston Marathon blasts was identified Tuesday as a Chinese national, according to Chinese Consulate officials.
Three explosions rocked the U.S. city of Boston on Monday afternoon, killing 3 and injuring at least 138, turning the traditional local marathon festivity into a scene of blood and terror.
Australia's New South Wales Premier Barry O'Farrell said on Tuesday Sydneysiders stand beside the people of Boston as they face the tragic bombing during the city's Marathon.
The 2013 Boston Marathon is the 117th version of the historical event, which was first held in 1897. The Boston Marathon is the world's oldest annual marathon and one of six World Marathon Majors.