Boston Marathon Explosion

• Boston Marathon Bombing Suspect Expected to Die: Prosecutors

  Boston Marathon bombing suspect Dzhokhar Tsarnaev told his mother in an email days after the explosions that he expected to die, federal prosecutors said in court filings.

• Australian man charged over 'bigger than Boston' bomb plot

  An Australian man charged over a bomb plot was seeking revenge against a doctor using devices larger than those used in the Boston Marathon blast, reports said on Saturday.

• Explosives residue found in slain Boston bombing suspect's apartment

  In a fresh development in the Boston Marathon bombings probe, US investigators have found explosives residue in the apartment of the slain Chechen-origin suspect Tamerlan Tsarnaev.

• Boston bomb contained traces of woman DNA: reports

  A woman's DNA has been found on at least one of the explosive devices used in the Boston bombings, adding a new dimension to the probe into the terror attack that killed three people and wounded over 200 others.

• Dead Boston bomber was added in terror database 18 months ago: officials

  The federal government added the name of the dead Boston Marathon bombing suspect to a terrorist database 18 months before the deadly explosions, US officials told The Associated Press on Wednesday.

• Boston suspects planned to go to New York to 'party': police

  The brothers suspected of carrying out the deadly attacks on the Boston marathon planned to head to Manhattan to party after the explosions, New York City's police chief said on Wednesday.

• Boston marathon bomb suspect was on campus this week, say classmates

  Boston Marathon bombing suspect Dzhokhar Tsarnaev was seen on his university campus this week after Monday's deadly explosions, classmates told The Associated Press on Friday.

• Boston bomb suspects are brothers of Chechen origin: reports

  Two suspects in the Boston Marathon bombing killed a university police officer, injured a transit officer in a firefight and threw explosive devices at police during their getaway attempt in a long night of violence that left one of them dead and another still at large Friday, authorities said as the manhunt intensified for a young man described as...

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  Explosives detonated In Massachusetts standoff

  Two young men, armed with guns and explosives in what appeared to be backpacks, engaged in a violent standoff with dozens of police on a street in Watertown, Mass., Thursday night, police and residents said.

• Gunshots, explosions in Watertown near MIT

  A tense night of police activity just days after the Boston Marathon bombings has caused police to converge on a neighborhood outside Boston where they say there were explosives.

• Texas fertilizer plant blast: Rescuers search for survivors

  Rescue teams searched the charred rubble of homes in a small Texas city on Thursday for survivors of a fiery explosion at a nearby fertilizer plant that killed as many as 15 people, injured more than 160 and destroyed dozens of buildings.

• Boston Marathon explosives made from pressure cookers

  The explosives that killed three and wounded more than 170 at the Boston Marathon were made of pressure cookers packed with metal and ball bearings, a person briefed on the investigation said Tuesday. President Barack Obama declared the bombings an act of terrorism.

• Boston Marathon blasts: Pakistani Taliban deny involvement

  The Pakistani Taliban, which claimed the 2010 Times Square bomb plot, on Tuesday denied anything to do with explosions that killed three people and wounded more than 100 in Boston.

• After Boston Marathon blasts horror, citizens extend kindness to runners

  As smoke cleared from the deadly explosions at the Boston Marathon finish line, horrified runners were comforted by acts of kindness carried out by city residents offering aid.

• Video captures Boston Marathon blasts at the 4:09:44 mark

  The digital clock over the finish line read 4:09:44 when two explosions in the historic heart of Boston turned the 117th running of the city's iconic marathon into a horrific scene of carnage.