UC Santa Barbara students attend a candlelight vigil following Friday's series of drive-by shootings that left 7 people dead in the Isla Vista section of Santa Barbara May 24, 2014.
US President Barack Obama, responding to the explosions at the Boston Marathon, says the United States does not know "who did this or why" but vowed that whoever is responsible "will feel the full weight of justice."
Two bombs exploded in the packed streets near the finish line of the Boston Marathon on Monday, killing two people and injuring more than 70 others in a terrifying scene of shattered glass, billowing smoke, bloodstained pavement and severed limbs.
The New York Police Department has beefed up security around landmarks in New York City in the aftermath of two explosions near the finish line of the Boston Marathon
Gold futures on the COMEX division of the New York Mercantile Exchange suffered their biggest one-day decline since the 1980s on Monday.
At least three have been killed and over 180 injured in two explosions near the Boston Marathon finish line.Boy, 8, and 'dream daughter', 29, dead in Boston
Obama to attend memorial service
New York to increase security after Boston blasts
Total foreign holdings of US Treasury securities continued to rise in February, indicating rising international demand for American government debt, US Treasury Department reported Monday.
John Kerry said that Washington will talk with Pyongyang if it takes "meaningful steps" toward peace.
Ruling party candidate Nicolas Maduro won Venezuela's presidential election on Sunday with 51 percent of votes, the electoral authority said.
Former Cuban leader Fidel Castro opened a school in Havana in a rare public appearance since his retirement in 2006.
Venezuela's presidential election was held peacefully Sunday, with the final results expected to be released by the National Electoral Council a few hours later.
Polling stations of Venezuelan presidential elections were closed Sunday after voters cast their votes to choose the successor to late President Hugo Chavez.
Venezuelans decide on Sunday whether to honor Hugo Chavez's dying wish to continue his hard line approach to socialism, or hand power to a young challenger vowing business-friendly changes.