<p>Democrat Joe Biden has taken the lead in key battleground state Pennsylvania, where a victory for the former vice president would push him past the threshold of electoral votes needed to win the White House, US media said Thursday.</p>.<p>More ballots are yet to be counted, but shortly before 1400 GMT, <em>CNN</em> and <em>The New York Times</em> reported that Biden had moved ahead of incumbent President Donald Trump by more than 5,500 votes.</p>.<p>Biden currently has at least 253 electoral votes. The magic number is 270. If he wins Pennsylvania -- a state won by Trump in 2016 -- and its 20 electoral votes, he would pass that threshold.</p>.<p>Biden is also currently in the lead in key states Georgia and Nevada.</p>
<p>Democrat Joe Biden has taken the lead in key battleground state Pennsylvania, where a victory for the former vice president would push him past the threshold of electoral votes needed to win the White House, US media said Thursday.</p>.<p>More ballots are yet to be counted, but shortly before 1400 GMT, <em>CNN</em> and <em>The New York Times</em> reported that Biden had moved ahead of incumbent President Donald Trump by more than 5,500 votes.</p>.<p>Biden currently has at least 253 electoral votes. The magic number is 270. If he wins Pennsylvania -- a state won by Trump in 2016 -- and its 20 electoral votes, he would pass that threshold.</p>.<p>Biden is also currently in the lead in key states Georgia and Nevada.</p>