Trump's derision of mail-in voting goes back months.
It's the latest in a series of statements, without evidence, by Trump's campaign and administration contending that mail-in voting during the coronavirus pandemic could lead to massive voter fraud.
"Both are safe and secure", he said.
About half of U.S. states allow any registered voter to vote by post on request.
A 2020 report from the Brookings Institution thinktank explains: "There are two kinds of mail balloting systems".
Brindisi said Trump's claim that "2020 will be the most inaccurate and fraudulent election in history" is unsubstantiated.
"It will be a great embarrassment to the United States of America", he added.
A few months ago, Democratic presidential challenger and former U.S. Vice President Joe Biden had claimed that Trump would attempt to delay the election.
The prospect of a delayed election was swiftly rejected by fellow Republicans.
Hong Kong imposes strict measures as COVID-19 cases spike
The law punishes crimes of secession, subversion, terrorism and collusion with foreign forces with up to life in prison. The Trump administration said Hong Kong would no longer be treated as an autonomous trading area.
Also asking congress for $105 billion to help schools safely re-open. "That date can't be changed".
"While he has no authority to delay the election, we can not ignore his escalating lies and attacks on our democracy", Eldridge said in a statement.
Chairperson of the U.S. Federal Election Commission, Ms Ellen Weintraub, also said the president lacked the power to move the election. It is a law that dates back to the middle of the 1800s and has not been changed since. Regardless, the Constitution makes no provisions for a delay in the end of Trump's term - noon on January 20, 2021. "Our elections are enshrined in the Constitution", Rep.
One Express.co.uk reader said: "I don't think the election should be delayed but anyone caught involved in rigging votes should be imprisoned for life". Trump critics on Twitter immediately seized upon the idea, sending "President Pelosi" trending.
Senate Judiciary Chairman Lindsey Graham (R-S.C.) told reporters on Capitol Hill that delaying the election is not "a particularly good idea". Secondly, of course we are going to have an election on time.
"There are undoubtedly great challenges facing elections, especially in Pennsylvania, which passed new voting laws past year with no way of anticipating a pandemic", Thompson said in a statement. "It's going to take awhile to get all the votes counted, I am certain". "We need to continue to do this as we do state by state". The government reported that the USA economy shrank at a dizzying 32.9 per cent annual rate in the April-June quarter, by far the worst quarterly plunge ever, as the coronavirus outbreak shut down businesses, has thrown tens of millions out of work and sent unemployment surging to 14.7 per cent.
"Senator Sullivan does not support delaying the election", wrote Mike Anderson, a spokesman for Sullivan.
Sen. Patrick Leahy, D-Vt., wrote on Twitter that Trump "is attempting to undermine the legitimacy of the election-and indeed our democracy-by promoting an utterly baseless, hypocritical, and unsafe conspiracy theory". "He is delegitimizating the election in advance". Neither Trump nor Barr have explained how such a plot could successfully pass the numerous safeguards election officials have in place, like barcodes and signature verification, instead they have said as Trump did Thursday, that the threat was "obvious". "I have long believed it will come down to whether the military is loyal to the Constitution".
"We shouldn't delay the November election either", Vos tweeted.