as election fever grips the United States campaigning in the Battleground States intensifies with Republican Presidential nominee Donald Trump launching a series of attacks on his rival Democratic nominee kamla Harris but the latest opinion polls present a troubling picture for Trump showing a decline in his support base since Harris became the official Democratic candidate DD India's miir makuri has more as the race to the White House heats up Pennsylvania emerges as a key Battle Ground after narrowly surviving an assassination attempt in July Republican Presidential nominee Donald Trump took center stage on Friday with the high stakes campaign rally in the state underscoring its critical role in the election 67 days from now we're going to win Pennsylvania we're going to defeat comrade CA Harris back in Washington DC while attending the annual Summit of the conservative organization moms for Liberty Trump launched a wield attack on vice president kamla Harris branting her as a defective person and escalating the rhetoric in their emerging rivalry she's defective she's a defective person and we don't need another defective person as president of the United States we just had that despite Donald Trump's vigorous campaigning Democrat nominee kamla Harris has surpassed the former president in at least eight polls conducted since the Democratic National Convention now let's take a closer look at some of these key opinion polls in a Wall Street Journal poll KLA Harris is bagged by 48% of respondents while Donald Trump has 47% a reuter ipsu poll found kamla Harris holding a 45% Edge over Donald Trump's 41% among registered voters in an outward intelligence Sur kamla Harris leads Donald Trump by more than 5% in a two-e contest with 52.6% compared to trumps 47.4% in Quinny pak's first poll of likly Voters kamla Harris holds a 49% edge over Donald Trump's 47% in a suff fork USA Today poll kamla Harris leads over Trump by 5 percentage points among likely voters with a margin of 48% for kamla and 43% to Trump opinion polls indicate that Donald Trump has struggled to maintain support among women voters since kamla Harris became the Democratic presidential candidate for the November 5 election in a reuter ipsu poll released this week Harris leads Trump by a notable 13 percentage points with 49% of Women Voters backing her compared to Trump's 36% however the same poll offers a glimmer of relief for Trump showing that he maintains a narrow lead over kamla Harris in seven key Battleground States among registered voters Trump holds a slight edge with 45% compared to Harris's 43% Mi M reporting for DD India