US authorities have charged a US army veteran accused in a deadly shooting rampage at the Fort Lauderdale International Airport, with offences that could carry the death penalty, while continuing to probe whether "terrorism" was a potential motive.

Federal prosecutors charged Esteban Santiago on Saturday with firearms offenses and carrying out an act of violence at an airport, US Attorney Wifredo Ferrer said in a statement.

If convicted, he could face the death penalty or life in prison.

Santiago, 26, was accused of killing five, wounding six and sending thousands scrambling for safety on Friday before authorities shut down the airport in Florida, a major gateway to the Caribbean and Latin America.

The suspect was scheduled to make an initial court appearance on Monday.

Murder charges could be forthcoming from state prosecutors, but no decision has been made yet, according to the Sun Sentinel newspaper.

Santiago had travelled from Alas

Donald Trump says Democrats have shown "gross negligence" by allowing their servers to be hacked in the run-up to the 8 November presidential election.

The US has identified the Russian agents behind alleged hacking ahead of the presidential election won by Donald Trump in November, reports say. The agents, whose names have not been released, are alleged to have sent stolen Democratic emails to WikiLeaks to try to swing the vote for Mr Trump.

The US government has pledged to move ahead with the transfer of inmates out of the military prison at Guantanamo Bay, rejecting President-elect Donald Trump's demand for a freeze.

Bill and Hillary Clinton will attend President-elect Donald Trump's inauguration in Washington DC.

George W Bush and his wife Laura have also announced plans to be there, saying they want to "witness the peaceful transfer of power".

A prison riot in the Brazilian Amazon has left at least 56 people dead with some bodies decapitated and burned, officials said. The riot erupted on Sunday afternoon and lasted for 17 hours in the Anisio Jobim Penitentiary Complex (Compaj) in Manaus, the capital of Amazonas state.

A 17-hour uprising at a prison in Brazil claimed the lives of at least 56 prisoners over the weekend, state-run media agency Agencia Brasil reported Monday.

Bodies were thrown over the wall of the complex, and at least six people were decapitated, the news agency reported.

A leading US Republican says she fears for the future of her seven grandchildren with Donald Trump in the White House. Christine Todd Whitman, head of the US Environmental Protection Agency (EPA) under George W Bush, accused Mr Trump of ignoring compelling science.

Thirty-five Russian diplomats expelled from the United States by President Barack Obama have left the country, Russian news agencies report.

Donald Trump surpassed the necessary 270 votes in the Electoral College on Monday, taking the next step in the official process to become President.

Trump received 304 electoral votes to Hillary Clinton's 227. Seven "faithless" electors voted for other candidates, costing Trump two votes and Clinton four. Hawaii's votes -- three for Clinton and one breaking from the state's results and supporting Bernie Sanders -- were the last to be counted.

The US electoral college is expected to certify Donald Trump as president on Monday, despite a last-minute effort to thwart the Republican. The institution's 538 electors will vote at state capitols nationwide.

President-elect Donald Trump has rejected as "ridiculous" a CIA assessment that Russian hackers tried to sway the election in his favour.

Dr Ben Carson will be nominated as the next secretary of the Department of Housing and Urban Development, the Trump transition team announced Monday.

The bodies of 50 players, coaches and staff from a Brazilian football team tragically wiped out in a plane crash in Colombia arrived home on Saturday for a massive funeral.

Universities and colleges in several US states are considering labelling themselves "sanctuary campuses" amid fears from immigrant students and pressure from activists following the election of Donald Trump.