Updated at 6 p.m. on Wednesday, June 1

Minutes before Wednesday’s filing deadline, former Anchorage mayor Dan Sullivan officially filed to run against U.S. Sen. Lisa Murkowski in the upcoming Senate race.

The application came as a surprise to onlookers at the Alaska Division of Elections office.

Sullivan said he has had people call and ask him to run. He admitted he has done no fundraising thus far, and that running against Murkowski is a bit of a “David and Goliath situation.”

Murkowski’s campaign currently has about $3.3 million on hand, according to filings from the first quarter of 2016 with the Federal Election Committee.

The former mayor said he’s excited for the possibility of having two Dan Sullivans on the floor of the U.S. Senate.

Edgar Blatchford and Ray Metcalf have filed to run for Murkowski’s seat as Democrats, while Margaret Stock, has filed to run as an independent and Cean Stevens has filed to run as a Libertarian.

Murkowski’s campaign manager, Rachel Kallander, released the following statement Wednesday evening:

“We are prepared for this primary. Our team has worked hard to prepare and we are laser focused on a victory in August. We have the resources, local support and man power assembled to run a robust campaign and win this race to ensure that Lisa can continue to bring real results home for Alaskan families, our military and communities.”

KTVA’s Daniella Rivera contributed to this report.

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