Politics: Dr Ben Carson, lashes back at 'being lied about' after doubts cast over past

This is as a result of doubt been cast on Carson's stories relating his violent confrontation as a youth and a scholarship he said he was offered to a US military academy

US presidential contender Ben Carson says he is sick of "being lied about" as he hit back at press speculation over his past at the latest Republican debate.

The retired neurosurgeon has faced a rough week of scrutiny about whether he embellished key aspects of his biography.

Carson, who is struggling to hold his spot of the top of the polls, lashed out at his critics and said he did not like "being lied about."

Carson has faced a series of reports in the past week casting doubt on his stories about his violent outbursts as a youth and a scholarship he said he was offered to the US Military Academy at West Point .

"I have no problem with being vetted," Carson said. "What I do have a problem with is being lied about and having that put out there as true."

Ben Carson, having been questioned why Clinton had not been subjected to a similar level of media scrutiny.

"We have to start treating people the same and finding out what they really think," he said. "People who know me know I’m an honest person."