Short-selling firm Muddy Waters said in a legal filing on Monday that outside cyber security experts it hired have validated its claims that St. Jude Medical Inc cardiac implants are vulnerable to potentially life-threatening cyber attacks.
LAS VEGAS President Barack Obama on Sunday campaigned in the battleground state of Nevada for Hillary Clinton, the Democratic candidate he wants to succeed him in the White House - but he spent most of his time talking about the state's Senate race. | Video
LOS ANGELES Federal investigators sought on Monday to determine the cause of a bus crash that killed 13 people in California over the weekend, and at least four of those who were injured remained in critical condition, officials said.
OKLAHOMA CITY Police in Oklahoma were searching on Monday for a man suspected of killing two people, shooting two sheriff's deputies who tried to apprehend him and then fleeing the scene in a stolen police car.
AUSTIN, Texas A nurse who contracted the Ebola virus while treating the first person diagnosed with the deadly disease in the United States has reached a settlement with the Dallas hospital where she was in a team caring for the man, a statement on Monday said.
CHICAGO The junk-rated Chicago Public Schools will be selling up to $1 billion of new and refunding bonds pending approval of its governing board later this week.
Veteran social activist and politician Tom Hayden, a stalwart of America's New Left who served 18 years in California's state legislature and gained a dash of Hollywood glamour by marrying actress Jane Fonda, has died aged 76, according to media reports.
LOS ANGELES Hundreds of people gathered in Los Angeles on Sunday to protest against climate change and show support for activists demonstrating against the construction of an oil pipeline in North Dakota.
NEW YORK Donald Trump rode to the top of the Republican ticket promising a "big, beautiful, powerful" border wall with Mexico to stop the flow of undocumented immigrants. Along that border, however, Americans are more likely to call the wall a "waste of money", according to a Reuters/Ipsos opinion poll. | Video