Krystle Campbell

• Accused Boston Marathon bomber Dzhokhar Tsarnaev pleads 'not guilty' to attack

  Wearing an orange prison jumpsuit, with his arm in a cast, accused Boston Marathon bomber Dzhokhar Tsarnaev pleaded "not guilty" to committing the worst mass-casualty attack on US soil since 9/11, a crime that could bring him the death penalty.

• Huge hunt for Boston bomb suspect after brother killed

  Thousands of heavily armed police staged a house-to-house hunt on Friday for a teenager suspected of carrying out the Boston marathon bombings with his brother, who was killed in a wild shootout.

• Father of woman killed at Boston Marathon told she was alive

  The father of one of the three people who died in the Boston Marathon bombings was at first told that his daughter had survived, but was in surgery and could lose a leg.

• Third Boston blast victim was a Chinese citizen

  Neighbors gathered around a chalk rainbow on a sidewalk outside 8-year-old Martin Richard's home while friends of Krystle Campbell, 29, posted notes on Facebook, all grieving on Tuesday for two of the people killed in Monday's bombing at the Boston Marathon.

• 29-year-old restaurant manager identified as bombing victim

  A 29-year-old restaurant manager has been identified as one of three people killed in the bombing at the Boston Marathon.