Extreme views of Trump and Cruz doing Democrats a favor says Obama

President Barack Obama has asserted that by exposing extreme views within Republican Party on issues such as immigration and national security, both GOP presidential candidates Donald Trump and Ted Cruz are doing the Democrats a 'favor'.

"I actually think that Donald Trump and Ted Cruz have done us a favor," the Guardian quoted Obama, as saying while referring to policy positions that would restrict Muslims and Mexicans from entering the country.

Obama aid both frontrunners in the Republican nomination contest ahead of the November 8 presidential election had upset mainstream establishment Republicans with their insurgent campaigns.

Speaking in front of nearly 100 people at the annual signature fundraising dinner for Nancy Pelosi, Democratic leader in the House of Representatives, President Obama asserted that Trump had laid bare to what some in the Republican party had been saying for years.

"In 10 months, I will no longer be president of the United States. But in 10 months, I will - contrary to Mr Trump's opinion - still be a citizen of the United States," he said mocking Trump.

The New York billionaire had long raised questions about whether Obama, who was born in Hawaii, was actually born outside the US.