President Donald Trump has used his Independence Day speech to tout America’s “progress” against Covid-19, despite a nationwide spike in cases.

Amid criticism of his handling of the pandemic, the president said China – where the new coronavirus originated – must be “held fully accountable”.

President Trump also berated protesters who toppled monuments of historical figures in recent anti-racism protests.

“Their goal is demolition,” he said.

In a combative tone that echoed his Friday night speech at Mount Rushmore in South Dakota, President Trump pledged to defeat the “radical left, the Marxists, the anarchists, the agitators, the looters”.

He spoke from the White House lawn, flanked by First Lady Melania Trump, to a crowd that included soldiers and frontline medical staff.

Praising “our nation’s scientific brilliance,” President Trump said the US “will likely have a therapeutic and/or vaccine solution long before the end of the year”.

The head of the WHO, Tedros Adhanom Ghebreyesus, warned in June that scientists may never be able to create an effective vaccine against the coronavirus, observing: “The estimate is we may have a vaccine within one year. If accelerated, it could be even less than that, but by a couple of months. That’s what scientists are saying.”

The US has the world’s highest number of Covid-19 deaths and infections, and confirmed more than 43,000 new cases in 24 hours on July 4, according to figures from Johns Hopkins University. Florida, where the outbreak is especially acute, saw 11,458 new cases.

President Trump made no reference to the nearly 130,000 US deaths linked to the pandemic. He said the US had tested almost 40 million people, adding that 99% of coronavirus cases were “totally harmless” – a claim for which he gave no evidence.

His comments were followed by a military flyover involving various aircraft, including B-52 bombers and F-35 fighter jets.

A massive firework display was later held in Washington DC, watched by spectators who gathered on the National Mall.

Ahead of President Trump’s speech, Black Lives Matter protesters gathered outside the White House – the scene of many recent anti-racism demonstrations in the wake of George Floyd’s killing in police custody.

Addressing America’s coronavirus battle, President Trump said his administration had “made a lot of progress” and “our strategy is moving along well”, despite the nationwide surge in infections.

Donald Trump, who faces re-election this year and appears keen to fire up his conservative base with appeals to nationalism, accused China of trying to conceal the virus outbreak – a charge Beijing denies.

He alleged: “China’s secrecy, deceptions and cover-up allowed [the virus] to spread all over the world.”

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Elaborating on his plan to create a “National Garden of American Heroes” featuring statues of renowned Americans, President Trump said the country’s rich heritage belongs to citizens of all races.

“The patriots who built our country were not villains,” he said.

“They were heroes.”

Many 4^th of July events were canceled on public health grounds, with beaches in Florida and California closed, city parades canceled and firework displays curtailed.

Joe Biden tweeted that “this Fourth of July, one of the most patriotic things you can do is wear a mask”.

Firework displays are a traditional highlight of 4^th of July, but an estimated 80% of cities and towns have canceled their shows.

New York City usually holds an hour-long extravaganza, but this year it was replaced by five-minute displays through the week, organized by Macy’s department store, with a final televised one on July 4 – all at undisclosed locations.

Major League Baseball canceled its 2020 All-Star Game for the first time since World War Two.