New Delhi: It is official. Former US Vice President Joe Biden is in the 2020 US Presidential race.

Biden on Thursday announced his decision to contest the presidential election and said that he would seek a Democratic nomination.

The two-term vice president under the Obama presidency, Joe Biden tweeted his candidature today.

Biden is expected to hold his first public address on Monday with union workers in Pittsburgh.

The former US Vice President had recently pledged to be “more mindful” about physical contact with women, hoping to draw a line under a controversy that was believed to cloud his White House bid.

Biden posted a video on Twitter saying he will in future respect personal space, the BBC reported. He stressed he has only ever intended to build a “human connection”, rather than make anyone uncomfortable.

“Social norms are changing, I understand that, and I’ve heard what these women are saying,” Biden, 76, said in a tweet accompanying the video, which looked like it had been recorded on a mobile phone.

In the clip, Biden acknowledged being hands-on with constituents throughout his long career in politics.

“It’s the way I’ve always been, it’s the way I try to show I care about them and I’m listening,” he said.

But Biden acknowledged his past behaviour may not meet contemporary standards.

“The boundaries of protecting personal space have been reset,” he said. “I understand it and I’ll be much more mindful.”

His statement follows accusations against him of unwelcome touching from four women in recent days.

With IANS inputs