A suspicious package similar to those sent to Barack Obama, Hillary Clinton and CNN has reportedly been found at a New York restaurant owned by the actor Robert De Niro.
The device is the eighth sent to a prominent critic of Donald Trump within three days.
Billionaire George Soros, former CIA director John Brennan, veteran congresswoman Maxine Waters and news organisation CNN have also seemingly been targeted.
Authorities were reportedly tipped off by a postal worker about a suspicious package addressed to Joe Biden.
According to NBC, the worker contacted police after seeing reports on Wednesday about bombs sent to Barack Obama, Hilary Clinton and others, and recalling seeing a similar package addressed to the vice-president.
The FBI and police first searched Biden's house, but found nothing. Officers then swarmed a post office in New Castle, Delaware, where the package was discovered.
A suspicious package addressed to former vice-president Joe Biden has found reportedly been found at a post office in Delaware.
It contained an explosive device similar to those sent to other leading Democrats this week, police officials told NBC.
If confirmed, this would be the ninth apparent bomb attack on a prominent Trump critic.
The suspicious package sent yesterday to the offices of CNN - a bomb threat many have linked to Donald Trump's frequent attacks on the network - seem have done little to convince the president to tone down his anti-media rhetoric.
In a tweet a few moments ago, Trump blamed "purposely false and inaccurate reporting" for "the anger we see today in our society".
Although not explicitly stated, it seems likely the "the anger" Trump mentions is a reference to the explosives sent to his critics in the past three days.
Everything we know so far about the 'MAGA bomber'
The device deliveries have been condemned as 'despicable acts' by President TrumpThe first suspicious package was sent to billionaire philanthropist George Soros’s residence in New York on Monday. Here's a recap of what has happened since then:
Timeline of bombs sent to Clintons, Obama, Democrats and CNN - and how they may be connected
The high-profile recipients of numerous explosive devices are all seen as critics of President Donald TrumpHello and welcome to The Independent's live updates after a string of prominent critics of Donald Trump were seemingly targeted with explosive devices.
A suspicious package similar to those believed to have been sent to Barack Obama, Hillary Clinton and CNN yesterday has reportedly been found today at a New York restaurant owned by Robert De Niro.
Here's our report:
'Suspicious package sent to Robert De Niro's restaurant' in latest US bomb scare
Police discover eighth device seemingly targeting high-profile critics of president Donald TrumpPlease allow a moment for this live blog to load
