Huckabee Sanders to cover for Spicer at WH briefings this week

White House deputy press secretary Sarah Huckabee Sanders will fill in for press secretary Sean SpicerSean Michael SpicerTrump falsely claims his events have never 'had an empty seat' Press: Acosta, latest to walk the plank Sarah Sanders: I will walk out of the White House 'with my head held high' MORE at this week's press briefings.

Sanders conducted her first official White House press briefing on Friday. President TrumpDonald John TrumpMcConnell, Paul offer bill to cement tax provision benefiting bourbon makers Creating opportunity for all Scarborough implores Democrats: Go hard after Trump or he'll win in 2020 MORE was reportedly happy with her performance.

Spicer will be fulfilling his U.S. Navy Reserve duty this week, Politico reported Wednesday.

Sanders on Wednesday will handle the first White House briefing since President Trump fired FBI Director James ComeyJames Brien ComeyMueller Day falls flat Mueller tangles with GOP, but provides little new info The Hill's 12:30 Report: Muller testimony dominates Washington MORE on Tuesday. Comey had been leading the FBI’s investigation into the Trump campaign’s potential ties to Russia.

Sanders appeared on cable news shows late Tuesday and early Wednesday to speak about Trump’s decision.

She told MSNBC’s “Morning Joe” that Comey’s dismissal had nothing to do with the Russia probe. 

“Absolutely not,” she said. “There's no evidence of any collusion.”