Rediff.com tries to recap the debate and presents the highlights from the event.
Here are the highlights from Day 1 of the convention.
Trump, 78, launched a scathing attack on his Democratic rival, as he took the stage for the first time to address an election rally after Harris became the presumptive nominee.
The former secretary of state posted strong wins over Sanders in the island territory of Puerto Rico and the US Virgin Islands.
A rising Democratic Party star and vocal critic of President Donald Trump, Harris, if elected, would be the first woman and woman of colour to be the President of the United States.
Clinton has the number of delegates needed to clinch the Democratic presidential nomination, the Associated Press said, putting her on course to become the first woman to head a major US party ticket.
Joined by high-profile figures like Tesla owner Elon Musk and his running mate, Senator JD Vance, Trump (78) made a passionate plea to "defeat" Vice President Kamala Harris, the Democratic candidate in the November 5 presidential poll.
Former United States president and Republican presidential nominee Donald Trump on Thursday refused to debate with his Democratic rival and Vice President Kamala Harris until the Democrats formally decide on their nominee, whereas the latter said that she is ready for a debate.
In his first tweet after election results started coming in US President Trump claimed success. "Tremendous success tonight. Thank you to all!".
'She's been a terrific advocate for women's rights in recent months and her prosecutor's background will really help her challenge Trump in a forceful way that Biden could not,' notes Sree Sreenivasan.
Kaine, a 58-year-old senator from the battleground state of Virginia, was nominated by voice vote.
Those close to Khanna, 46, say he is keeping his options open ahead of a potential presidential run in 2028 or beyond. But others in his orbit are talking about an even more compressed timeline: running in 2024 if President Joe Biden, 80, decided not to, according to Politico, a political newspaper company based in Arlington County in the US.
Trump had scrapped the Deferred Action for Childhood Arrivals programme earlier this month which protect some 800,000 people who came to the US illegally as children.
After 4,764 party delegates formally backed her, the former US First Lady tweeted, "This moment is for every little girl who dreams big."
The economics behind the surprising popularity of Donald Trump and Bernie Sanders.
Democrat Tulsi Gabbard, the first Hindu lawmaker in the US Congress, met president-elect Donald Trump amidst speculation that she is being considered to be made the American Ambassador to the United Nations.
Trump has refused to sign any stopgap spending bill that does not has provisions to fund a wall along the US-Mexico border which he says is essential to stop the flow of illegal immigrants.
Biden's win in Michigan is crucial as Sanders had clinched the victory in the state defeating Hillary Clinton four years ago.
'Today, I am leaving the race for the same reason: to defeat Donald Trump - because it is clear to me that staying in would make achieving that goal more difficult,' Bloomberg said in a statement
Hillary Clinton has ended her Democratic presidential primary campaign on a winning note as she defeated her party rival Senator Bernie Sanders in the US capital, setting the stage for a fierce showdown with Republican opponent Donald Trump in November.
Hillary Clinton on Wednesday claimed the Democratic presidential nomination after decisive victories in the New Jersey and New Mexico primaries, creating history by becoming the first woman to lead a major American political party in the race to the White House.
The 38-year-old lawmaker's move leaves Biden and Senator Bernie Sanders as the final two candidates in the Democratic race.
The 70-year-old leader had a disappointing Super Tuesday that included a third-place finish in her home state of Massachusetts.
A total of 12 states from Alabama to Alaska are holding primaries or caucuses today. Virginia was the first state to open its polling stations at 6:00 am (16:30 IST).
US President-elect Biden has a history of advocating on behalf of women in the US and around the world and the new team announcement is a continuation of that work.
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.
A group of influential lawmakers have introduced a bipartisan legislation in the US Senate to comprehensively overhaul the H-1B and L-1 visa programmes and usher in more transparency in the recruitment of foreign workers. The H-1B visa is a non-immigrant visa that allows US companies to employ foreign workers in speciality occupations that require theoretical or technical expertise. Technology companies depend on it to hire tens of thousands of employees each year from countries like India and China.
Biden, 77, will be formally nominated by the Democratic party during the National Convention in Wisconsin in August.
Claiming victory in his standoff with Democrats, Trump signed the measure into law and government operations would return to normal on Tuesday.
Clinton, who herself was the 2016 Democratic presidential nominee, announced her support during a virtual townhall with Biden, a former US vice president. "I am thrilled to be part of your campaign -- to not only endorse you but to help highlight a lot of the issues that are at stake in this presidential election," she told Biden during the joint livestream, according to The Hill.
Obama's endorsement of Clinton came moments after he met Senator Sanders of Vermont at the White House.
Republican presidential front runner Donald Trump has gained substantial lead in early voting States of Iowa and South Carolina, while his Democratic counterpart Hillary Clinton has a narrow lead over her nearest rival Bernie Sanders, latest opinion polls show.
The selection of a woman Senator with an Indian background as the Democratic party's vice-presidential nominee should normally be a matter of elation in India, especially for those who boast of their nationalistic credentials such as the BJP followers, notes Amulya Ganguli.
Hillary Clinton, the former US secretary of state, offered a tweet signed "-H" to indicate it was from her personally.
Republican Donald Trump and Democrat Hillary Clinton on Wednesday knocked down another barrier by winning in Arizona presidential primaries but the frontrunners lost out in Utah to their nearest party rivals who kept their chances alive as the race to the White House gathered steam.
Delivering his victory speech, Trump told a crowd of cheering supporters that he will focus on bringing the jobs back from 'Mexico and all other countries' and investing in America's military and its veterans.
Texas Senator Ted Cruz handed a shock defeat to controversial presidential contender Donald Trump in the Iowa Republican caucuses while in the Democratic camp both Hillary Clinton and Bernie Sanders claimed victories as the race for the White House began on Tuesday.
If the former US vice-president runs, the already crowded Democratic primary field will steer clear to make him the clear front-runner for his party's nomination.
Participating in an online session, a panel of Hindu-American women, from different walks of life, expressed their strong views in favour of President Trump.
Trump's victories came in Maryland, Connecticut, Delaware, Pennsylvania and Rhode Island, while Democratic front-runner Hillary Clinton won in Connecticut, Delaware, Maryland and Pennsylvania