
Concurrently, trump declared that the quotation was "made-up" and asked that Biden issue an instant apology for his remarks.
"My son wasn't a failure or a gullible person. Biden said to trump, "You're the loser, you're the sucker."
Trump retorted to the President, saying, "First of all, the remark was made up. Losers and suckers. Who would utter those words? He need to apologise to me now."
In a contest that surveys indicate has been evenly matched for months, candidates Biden, 81, and trump, 78, were under pressure to demonstrate their knowledge of the topics and refrain from making grammatical errors. Particularly Biden has been plagued by doubts over his intelligence and age.