Washington DC: As election is round the corner, US President Donald Trump stepped up his attack against Democratic rival Joe Biden and has accused both the mainstream and social media companies of blocking serious charges of corruption against Democratic presidential candidate Joe Biden, saying the situation was causing America to experience suppression of the press.

Trump said the media was not willing to write against Biden and his family.

"Here is a guy who gets caught and the media doesn't want to write about it. You know what they call it not freedom of the press but suppression of the press," Trump said during his election rallies on Wednesday in the battleground State of Arizona.

Trump was referring to the allegations of corruption against Hunter Biden, son of Joe Biden.

As reported by The New York Post and alleged by Trump and his eldest son Donald Trump Jr, Hunter Biden received money from the Russians, the Chinese and the Ukrainians.

However, Joe Biden and his family have denied any wrongdoing.

At multiple election rallies, Trump alleged that the mainstream media has not been writing about the corruption charges against the Biden family.

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"We don't have freedom of the press.... we have suppression of the press and there's never been a time when it's more obvious than right now," Trump said.

"I mean honestly it’s a disgrace, the whole thing is a con job and he should have never been the candidate and you know what they have a corrupt party and all of this work being done by Big Tech and being done by the media that should be considered a major, massive billion-dollar campaign contribution because that's what it is," he said at a political Rally in Bullhead City of Arizona.

Trump alleged that the mainstream does not want to look at the information being made available from the laptop of Hunter Biden.

"It's called the laptop from hell. This is the greatest laptop I've ever seen. This thing is gold. It's gold except for the news that doesn't want to look at it. They refuse to look at it," he said.

Trump alleged Joe Biden and his family received money from China, Ukraine and Russia.

"The money from China, Ukraine, Russia... the wife of the mayor of Moscow gave him (USD) 3.5 million, the son. The son had no job, no nothing, got USD 3.5 million. They put him on the board of Burisma, USD 183,000 a month and I understand a USD 3 million upfront payment," Trump claimed, alleging that China gave him USD 1.5 billion.

Trump also accused Joe Biden of letting China plunder American jobs.

"Joe was personally involved in establishing corrupted business dealings with China. At the same time, he was letting China plunder our jobs and destroy our businesses, our factories, our workers," Trump said.

(With inputs from agency)