Democratic congressional nominee Jon Ossoff’s campaign has reserved more than $5.2 million in TV and radio ads ahead of a June runoff, according to Atlanta Journal Constitution.

Ossoff will square off against Republican nominee Karen Handel in the June 20 runoff to fill the House seat vacated by President Trump’s Health and Human Services Secretary Tom Price.

Ossoff, an investigative filmmaker, raised an unprecedented $8.3 million in the three months leading up to the April 18 primary. He pulled in another $500,000 a day after the primary and has likely raised even more since his initial fundraising filing.

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Meanwhile, Handel’s campaign said it raised about $1 million in the week since the primary. The former Georgia secretary of State also got some help from President Trump, who attended a fundraiser for her last week. He reportedly raised $750,000 for her campaign.

With less than two months to go until the runoff, both campaigns and outside groups are ramping up spending.

The Congressional Leadership Fund, a super PAC aligned with House GOP leadership, increased its spending by $3.5 million and has spent a total $6.5 million to date on the race.

And both the National Republican Congressional Committee and the Democratic Congressional Campaign Committee have run ads since the April primary.

The U.S. Chamber of Commerce will also be helping out Handel and running ads in the race.

A survey from Democratic polling firm Anzalone Liszt Grove Research shows it's a dead heat. Ossoff edged out Handel by 1 point in that poll, 48 to 47 percent.