Facebook Inc blocked about 115 user accounts after US authorities tipped it off to suspicious behavior that may be linked to a foreign entity, the company said in a blog post on Monday, hours before US voters head to the polls.

Facebook blocks 115 accounts after FBI tip on eve of US election

US law enforcement and intelligence agencies said on the eve of crucial US midterm voting they had no indication of efforts to disrupt election infrastructure, but that Americans should be wary of Russian attempts to spread fake news.

Before midterms, US warns voters to be wary of Russian fake news

US voters are poised to elect two Muslim women to Congress in the midterm election next week, marking a historic first even as anti-Muslim and anti-immigrant rhetoric has been on the rise.

US midterms: Voters poised to elect 2 Muslim women to Congress

After a divisive campaign marked by fierce clashes over race, immigration and other cultural issues, Americans began casting votes early on Tuesday to determine the balance of power in the US Congress and shape the future of Donald Trump’s presidency.

Control of Congress and verdict on Trump at stake as US votes in midterm polls

Donald Trump completed a whirlwind final push to stop Democrats from breaking his Republicans' stranglehold on the US Congress in bitter midterm elections Tuesday.

Trump says American dream at stake in US midterms after polarising campaign

Wall Street stocks were modestly higher early Tuesday as the United States headed to the polls for congressional elections seen as a referendum on Donald Trump's presidency.

US stocks rise as midterm vote gets underway

US midterms: For Trump supporters, elections a battle to protect leader under siege For many Americans, Tuesday's congressional midterm elections are a referendum on Republican President Donald Trump’s divisive persona, hard-line policies and pugnacious politics.

News brief: Big stories of the day

For many Americans, Tuesday's congressional midterm elections are a referendum on Republican President Donald Trump’s divisive persona, hard-line policies and pugnacious politics.

US midterms: For Trump supporters, elections a battle to protect leader under siege

Russian foreign minister Sergei Lavrov said on Tuesday that accusations of Russian interference in US midterm elections were "empty statements," as voters cast their ballots in the most crucial election.

Russia says accusations of US vote interference are 'empty statements'

People stand in line waiting to cast their ballots in Houston

Despite President Donald Trump's overwhelming presence, the US midterm election -- driven by unprecedented Democratic enthusiasm, record numbers of women candidates and intense debate over presidential style and policies -- has seen charismatic personalities emerge.

US midterm polls 2018: Key faces of the campaign

In pictures: America goes to polls to decide if it is for or against Trump

Ted Cruz vs Beto O'Rourke: Why the Texas battle is crucial