 The BBC's Jenny Kumar with that report. Meanwhile, Donald Trump's current opponent for November's election, President Joe Biden, remains hunkered down at home with Covid, resisting pressure to step aside. Nearly three dozen Democrats in Congress now say it's time for him to leave the race. But at this stage, the Biden campaign maintains he will stay in. Earlier, I spoke to Democratic strategist Bob Creamer and I asked him if he thought President Biden's campaign would continue.