Donald Trump's supporter yelling at the NDTV reporter outside Pennsylvania rally venue

Highlights Trump supporters heckled NDTV reporter after his rally at Pennsylvania

They called journalist 'liar' and threatened to knock her mic down

Trump has accused media of being in cahoots with Hillary Clinton

Minutes after Republican candidate Donald Trump addressed around 5,000 people in Newtown, Pennsylvania, his supporters shoved and pushed an NDTV reporter outside the venue calling her "liar" and threatened to "knock the mic down"."I don't want to talk to media, you are liars," a supporter shouted at this NDTV reporter. "I will knock your mic down. Who the hell are you, whoever knows you," he yelled. At that point the police intervened.Donald Trump has taken anti-media attacks to a new level, accusing journalists of being in cahoots with his opponent Hillary Clinton's campaign in a conspiracy to rig the presidential election.Pennsylvania is a key swing state in the US elections. Mr Trump is trying to be the first Republican since 1988 to win the state which carries 20 electoral votes, 270 are needed to win.Earlier in August at a rally in Fairfield, Connecticut, Donald Trump had said, "I am not running against Crooked Hillary Clinton, I'm running against the crooked media."Donald Trump has complained for months about media coverage which he says is biased against him. He had stripped a long list of news organizations -- including the New York Times, Buzzfeed, Politico and the Washington Post -- of their credentials, and vowed that as president he would make it easier to sue news outlets. However, he later allowed them to cover his events.Donald Trump's campaign for the November 8 election has been scrambling to recover from the release of 2005 video in which he bragged about groping women and making unwanted sexual advances. Since then, many women have come forward with similar allegations.

Democratic presidential contender Hillary Clinton leads rival Donald Trump by four percentage points, according to a Reuters/Ipsos national opinion poll taken as the Republican nominee fought off accusations of groping women.During the third presidential debate on Oct 19, when asked if he would accept the election results if he loses, Trump said "he will think about it, will keep you in suspense." Later, he said he will "accept the election results only if he wins."