The US has called on North Korea to immediately release an American student sentenced to 15 years' hard labour for crimes against the state.

US Democratic hopeful Bernie Sanders has hit back after Republican front-runner Donald Trump said he had sent protesters to disrupt his rallies.

Republican presidential candidate Donald Trump refused to take responsibility yesterday for clashes that have erupted at his campaign events, saying he was not inciting violence but giving voice to the anger of his supporters.

Donald Trump trains his fire on the protesters disrupting his rallies, branding them "thugs" and extremists, as White House rivals warned the Republican's heated rhetoric was dangerously fanning tensions.

Donald Trump calls off a rally in Chicago after protests against the Republican presidential front-runner led to violent clashes.

Republican presidential hopeful Marco Rubio has attacked Donald Trump for saying that Islam hates America, in a televised debate in Miami.

A shooting at a backyard barbecue in the northeastern US state of Pennsylvania has left five people dead, and at least two suspects are

A shooting at a party in the town of Wilkinsburg in the US state of Pennsylvania has left five people dead, and at least two suspects are on the loose, local media reports.

The World Health Organization (WHO) calls for urgent research into different strains of the Zika virus and says that health services in affected areas should be ready for potential increases in the incidence of neurological syndromes and/or congenital malformations.

Foreign diplomats are expressing alarm to US government officials about what they say are inflammatory and insulting public statements by Republican presidential front-runner Donald Trump, according to senior US officials.

North Korea warns of "indiscriminate" nuclear strikes on the US and South Korea as they begin their largest ever military drills.

Nancy Reagan, the former actress who was fiercely protective of husband Ronald Reagan through a Hollywood career, eight years in the White House, an assassination attempt and Alzheimer's disease, dies at age 94, the Reagan library says.

Evidence mounted linking Zika to the birth defect microcephaly, and the United Nations health agency set a review of travel advice related to the outbreak of the virus while US officials planned strategy to control mosquitoes that spread it.

The US Department of Defense invites vetted hackers to test its cybersecurity under a pilot program that is the first of its kind in the federal government.

One little dog who encounters a robodog that's a lot bigger. The robot canine is Spot. It was created by Boston Dynamics, a company owned by Google, reports CNET.

Big changes are underway in the United States, as the country gears up to elect a new president, one-third of the Senate, and the entire House of Representatives this November. The outcome will have profound consequences for US economic policy, and thus for the global economy.

Organised poaching of tiger and deer has emerged as a new phenomenon for the Sundarbans wildlife extinction, activists said yesterday, asking the government to take immediate steps to protect the Bengal cat, their habitat and food sources, reports BSS.

Catholic Church abuse movie "Spotlight" is named best picture, the top award at Oscar ceremony, after an evening peppered with pointed punchlines from host Chris Rock about the #OscarsSoWhite controversy that has dominated the industry.

Leonardo DiCaprio wins his long-awaited first Oscar for revenge epic "The Revenant" but journalism drama "Spotlight" took best picture in a surprising end to Hollywood's glittering awards season.

Mexico's former President Vicente Fox has compared Donald Trump to Adolf Hitler.