The billionaire from New York, who continually claimed that the election was "rigged" before his victory, insisted in a statement that the results should be "respected, instead of being challenged and abused".
It will be his second consecutive bid for the Democratic nomination after losing to Hillary Clinton in 2016.
"The event is invitation-only for friends and supporters of the Trump-Pence campaign," the Trump campaign said.
Trump said his Democratic rival Clinton would pay the price of her email scandal in the November general elections.
Republican presidential presumptive nominee Donald Trump would throw the United States economy back into recession, his Democratic rival Hillary Clinton said.
The US state department has withheld release of "seven email chains" sent from former secretary of state Hillary Clinton's private server, admitting for the first time that her home server contained closely guarded government secrets.
New book claims Amar Singh gave between 20 and 100 per cent of his entire net worth to the Clinton Foundation.
With America just a day away from electing a new president -- Donald Trump or Hillary Clinton -- nine polls show that Clinton is in charge of the race with just hours to go.
"My son is a high-quality person and I applaud his transparency," Trump said.
The Trump Organisation has a secret server registered to Trump Tower that has been covertly communicating with a Russian bank, a media report said, in the latest allegation of questionable links between Donald Trump and Russia just a week ahead of the presidential polls.
Snap polls conducted following the conclusion of the third US presidential debate revealed that Democrat Hillary Clinton was the winner.
The Republican Party has warned several mainstream United States news channels against airing programmes on former Secretary of State Hillary Clinton, who is seen as a potential Democratic candidate for the 2016 presidential polls.
With Hillary Clinton's email saga getting murkier, Donald Trump has alleged that the former secretary of state set up an illegal server for the purpose of shielding her "criminal conduct" from public and asserted that the action was "willful, deliberate and purposeful".
"I will keep you in suspense," said the Republican as he refused to commit to accepting the election result if he loses, in the third debate against Hillary Clinton.
Trump for the past several weeks has been using the word 'crooked' against her.
Republican presidential front-runner Donald Front is holding forte in New Hampshire with a double digit lead over his nearest rival Marco Rubio while Democratic presidential aspirant Bernie Sanders has a massive lead over Hillary Clinton.
If elected, Hillary Clinton would become the first women president of the US.
An Italian artist has created a campaign featuring the battered faces of high-profile women to highlight the issue of violence against women.
Rediff.com gathers digs deep, to bring you interesting facts about the Democrat and the former White House First Lady.
Rediff.com looks back at some of the candid moments from Hillary Clinton's tenure as US Secretary of State.
The Republican Hindu Coalition, which hosted Donald Trump's desi rally in New Jersey last month, has branded Huma Abedin 'pro-terrorist.
Karena Virginia, a 45-year-old yoga coach from New Jersey, said in a statement that no one asked her to come forward but that she believed it was her "duty as a woman, a mother and an American citizen to speak out and tell the truth about what happened to me."
American celebrities turned out in force for the US presidential election -- not only to vote themselves, but also to encourage others to vote.
Clinton's defeat in Michigan is an indication of the challenges she might face in the rest of her presidential campaign.
Why did NaMo skip the celebrations?
The former secretary of state posted strong wins over Sanders in the island territory of Puerto Rico and the US Virgin Islands.
Many Indian-Americans in Florida who voted for the US President Barack Obama in the last two presidential elections say they are switching sides this time and are supporting Republican candidate Donald Trump.
The new probe comes nearly four months after the FBI director announced the Bureau would not recommend criminal charges against Clinton for what it dubbed "extreme careless" use of a private email server while secretary of state.
US Secretary of State Hillary Clinton on Monday urged India to do "even more" to cut its purchases of oil from sanctions-hit Iran to keep pressure on that country to o prove its nuclear programme is peaceful.
President Barack Obama and Secretary of State Hillary Clinton were the "most admired" man and woman in the United States for 2010, a new survey has revealed.
Trump quipped that it was a 'tough decision' to make his voting choice.
Democratic presidential candidate Hillary Clinton holds a slim lead over her Republican rival Donald Trump, a new poll shows just over a week before the epic United States presidential election.
Pakistani teenage activist Malala Yusufzai stole the show at a star-studded awards night in New York as she was honoured in the presence of flamboyant pop icon Lady Gaga and former United States Secretary of State Hillary Clinton.
The show, hilariously predicted a Trump presidency back in 2000 in the season 11 episode "Bart to the Future."
Obama praised his former secretary of state for embracing America's diversity as a strength, recognising that progress requires compromise, and promoting dignity, courtesy, and respect for all Americans.
Rediff.com brings to you a collection of the most dramatic photographs from around the world in the last 24 hours
United Progressive Alliance chairperson Sonia Gandhi and India-origin PepsiCo chief Indra Nooyi figure among the top 10 in the global list of most powerful women, in the league of leaders like Angela Merkel, Michelle Obama and Hillary Clinton.
Clinton, 68, and Republican rival Donald Trump separately had visited the memorial site, but they did not address the event.
The Democratic presidential nominee has gained a whopping 15 per cent national lead owing to the recent gaffes made by her Republican rival.
Hillary Clinton and Bernie Sanders held a fierce and substantive debate on Sunday night, disagreeing over trade, guns, the auto industry and Wall Street.