President Donald Trump planned to rally his supporters in the swing state of Pennsylvania on Tuesday, as the number of early ballots cast in the contest between him and Democrat Joe Biden passed 35 million with two weeks of voting to go.

Trump’s trip comes the day before Biden’s old boss – former President Barack Obama – is to campaign for the Democratic candidate in Pennsylvania, which will play an important role in deciding who wins the contest that ends on Nov. 3.

National opinion polls show Biden, the former vice president, holding a wide lead over Republican Trump, although the contest is closer in swing states that decide elections, including Florida, North Carolina and Pennsylvania.

Trump has gained some ground on Biden in Pennsylvania, according to a Reuters/Ipsos poll released on Monday, which showed the challenger leading by 49% to 45%, slightly narrower than a week earlier.

Underscoring the importance of the “Rust Belt” state, Obama was due to campaign for Biden at a “drive-in car rally” event on Wednesday in a Pennsylvania location yet to be announced.

In Miami, where people gathered for the second day of in-person early voting, a police officer in uniform wore a “Trump 2020” face mask inside a polling location, according to the Miami-Dade Democratic Party chairman, who posted a photo of the officer.

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