RAPPER Nelly has insisted he is "completely innocent" after he was arrested for rape following an alleged sex attack on his tour bus.

The star tweeted his shock after cops in Washington brought him in for questioning at about 7am this morning after the incident at 3.45am local time, reported TMZ.

1 Nelly has allegedly been arrested for rape in Washington this morning Credit: Corbis

In a tweet, he says: “Let me say that I am beyond shocked that I have been targeted with this false allegation.

“I am completely innocent.

“I am confident that once the facts are looked at , it will be very clear that I am the victim of a false allegation.”

In another tweet, he said: “I do want to apologize to my loved ones for the embarrassment and for putting myself in a situation where I could be victimized by this false and defaming allegation.”

He also went on to thank fans for their “unwavering support” and assured them he would vindicated.

Let me say that I am beyond shocked that I have been targeted with this false allegation. I am completely innocent. I am confident that once the facts are looked at , it will be very clear that I am the victim of a false allegation. — Nelly_Mo (@Nelly_Mo) October 7, 2017

I do want to apologize to my loved ones for the embarrassment and for putting myself in a situation where I could be victimized by this false and defaming allegation. — Nelly_Mo (@Nelly_Mo) October 7, 2017

I also want to thank my fans for their unwavering support. They know me. I assure you I will be vindicated. And I assure you, I will pursue every legal option to address this defaming claim. Thank you — Nelly_Mo (@Nelly_Mo) October 7, 2017

The musician, 42, is currently on tour with country band Florida Georgia Line.

He and the group are scheduled to perform tonight in the town of Ridgefield.

Nelly, who was born Cornell Iral Haynes Jr., came to fame following the release of his solo album Country Grammar in 2000.

The record has sold 8.4 million copies in the USA and peaked at number one in the Billboard charts.

His hit singles include Hot In Here and Ride Wit Me with the latter clocking up nearly 90 million views on YouTube.

He cancelled his tour to the UK in December 2015 for fear he could be the subject of a terror attack.

Writing about his decision to pull out, the O2 Ritz in Manchester said in a statement: "Due to unforeseen circumstances, Nelly has been forced to postpone his UK tour.

"Customers are advised to hold on to their tickets as rescheduled dates will be announced shortly and tickets will remain valid for the new shows.

"We apologise for any disappointment and inconvenience caused.”

In an email, Nelly’s lawyer Scott Rosenblum told USA TODAY: "Nelly is the victim of a completely fabricated allegation.

“Our initial investigation clearly establishes this allegation is devoid of credibility and is motivated by greed and vindictiveness.

“ I am confident, once this scurrilous accusation is thoroughly investigated, there will be no charges.

“Nelly is prepared to address and pursue all legal avenues to redress any damage caused by this clearly false allegation."

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