US

A US Republican senator has warned he will use a court order to force the FBI to say whether Barack Obama wiretapped President Donald Trump's phones.

Four Russian citizens have been indicted in relation to the hacking of 500 million Yahoo accounts in 2014.

A New Zealander is at the centre of new accusations about conflicts of interest involving US President Donald Trump. Audio

A plan has been approved to expand a US military training area on a Northern Marianas island to accommodate the use of an advanced weapons system.

The American Department of Justice says it needs more time to respond to a request from lawmakers for evidence about President Donald Trump's allegation that he was wired tapped by Barack Obama.

The Trump Administration is waging a war on science and New Zealand must now ignore the US when it comes to climate change, the Green Party says.

Technology firms will get "exclusive access" to details of the CIA's cyber-warfare programme, Wikileaks says.

A healthcare bill by US Republicans has cleared a key congressional committee, despite concerns that the plan's impact on the budget remains unclear.

The man Donald Trump has put in charge of the US Environmental Protection Agency says he doesn't agree that carbon dioxide is a primary contributor to global warming.

The FBI and CIA have started a criminal investigation into the release of documents said to detail their hacking tools, officials say.

US congresswomen have walked out of work, joining women around the world who are striking as part of International Women's Day.

US Republicans' long-awaited plan to replace former President Barack Obama's health law is facing opposition from members of their own party.

Opinion - Donald Trump stumbles from self-inflicted crisis to crisis. Phil Smith wonders whether he is becoming the living embodiment of Br'er Rabbit.

Mexico has opened legal aid centres at its 50 consulates across the United States, amid worries of a US crackdown on illegal immigrants.