US President Donald Trump questioned Thursday if the presidential election should be delayed, tweeting unsubstantiated fears that a rise in mail-in voting due to Covid-19 could lead to fraud. The Constitution makes no provision for delaying elections, the rules for which would require an act of Congress to change.

Trump is for the first time floating a “delay” to the November 3 presidential election, as he makes unsubstantiated allegations that increased mail-in voting will result in fraud.