Facebook founder Mark Zuckerberg has turned down an invitation to give evidence to a UK House of Commons committee investigating allegations of misuse of the data of the social media giant's users.

Russian president Vladimir Putin has won a fourth term in office with nearly 77% of the vote - his highest ever score - giving him a mandate to pursue his nationalist policies for another six years.

Senior Irish political figures may be at risk of having their emails hacked in much the same way as Hillary Clinton experienced in the 2016 US presidential election.

In the run-up to multiple votes around the world in 2016, including the United Kingdom’s Brexit vote and the United States presidential election, social media companies like Facebook and Twitter systematically served large numbers of voters poor-quality information — indeed, often outright lies — about politics and public policy.

Twitter told congressional investigators it has suspended at least two dozen accounts that may have been tied to Russia, but the information shared by the social media giant at the briefing was described as "frankly inadequate".

Facebook will provide the contents of 3,000 ads bought by a Russian agency to congressional investigators.

US president Donald Trump has taken to Twitter to take a swing at his rival Hillary Clinton.

The Kremlin has confirmed that President Donald Trump's personal lawyer reached out to them during the 2016 presidential campaign, seeking help for a business project in Russia.

The co-founder of a Washington opposition research firm that produced a dossier of salacious claims involving Donald Trump has spent hours speaking to Senate investigators in a closed-door meeting.

Donald Trump has announced legislation aimed at significantly reducing immigration to the United States.

US President Donald Trump has signed a bill imposing new sanctions on Russia, conceding under pressure from his own party that a warmer relationship with Moscow was not in the country's best interests.

The Republican-led House of Representatives has decisively approved legislation that hits Russia with additional financial sanctions.

White House senior adviser and President Donald Trump's son-in-law Jared Kushner has said he did not collude with Russia.

Congress is controlled by Republicans, and would not impeach him even if he was linked to alleged Russian interference in the US general election, says Elizabeth Drew.

Jared Kushner made the proposal at a meeting with the Russian ambassador to the US last December, a person familiar with the talks said.

The owners of a Russian bank have filed a lawsuit against the online publication BuzzFeed for publishing an uncorroborated dossier that alleged they were part of a Russian scheme to influence the 2016 US presidential election.

A rising number of attacks against government sites and industrial control systems shows the need for ever-greater vigilance by national authorities, writes Peter Apps

They’ve filmed an reunion episode, but with a twist.

They comprise 22% of the US electorate and are decisive, but they do not vote uniformly and while they want a president of belief, he or she does not have to be of their faith, says Jonathan Alter

Billionaire Warren Buffett said on Saturday that Berkshire Hathaway is poised to do well no matter who wins the White House in November, and the billionaire investor defended the performance and tactics of the conglomerate’s several large investments.

Irish students were “packed like sardines” on a balcony which collapsed in California, Dublin has moved up two places in the rankings of the most expensive locations for foreign workers, Donald Trump said he is a candidate for the Republican nomination in the 2016 US presidential election, and Chris Evans has been revealed as the new host of Top Gear. These are some of the latest and most read news stories on irishexaminer.com this morning.

Real estate mogul and TV personality Donald Trump said he is a candidate for the Republican nomination in the 2016 US presidential election.

Hillary Clinton, already the frontrunner in the minds of many Democrats for the 2016 US presidential election, is writing a memoir about world affairs and her time as secretary of state. The news will likely fuel more speculation about her political future.