Former Alaska Gov. Sarah Palin (R) has reportedly not been invited to attend funeral services for Sen. John McCain John Sidney McCainAnalysis: Biden victory, Democratic sweep would bring biggest boost to economy The Memo: Trump's strengths complicate election picture Mark Kelly: Arizona Senate race winner should be sworn in 'promptly' MORE (R-Ariz.), her onetime running mate.

NBC News reported Wednesday that Palin had not been invited. A source within the Palin family told NBC News that “out of respect to Senator McCain and his family we have nothing to add at this point.”

NBC's @KellyO reports: Former Alaska governor Sarah Palin has not been invited to attend memorial services for John McCain — Jesse Rodriguez (@JesseRodriguez) August 29, 2018

“The Palin family will always cherish their friendship with the McCains and hold those memories dear,” the source added, according to NBC.

Palin family source says, “Out of respect to Senator McCain and his family we have nothing to add at this point. The Palin family will always cherish their friendship with the McCains and hold those memories dear.” — Kelly O'Donnell (@KellyO) August 29, 2018

Palin ran as McCain's vice presidential nominee during his 2008 bid for the White House. McCain ultimately lost to then-Sen. Barack Obama Barack Hussein ObamaObama warns of a 'decade of unfair, partisan gerrymandering' in call to look at down-ballot races Quinnipiac polls show Trump leading Biden in Texas, deadlocked race in Ohio Poll: Trump opens up 6-point lead over Biden in Iowa MORE (D-Ill.).

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A private ceremony for McCain was held Wednesday inside the Arizona Capitol rotunda. He will lie in state in Arizona for two days before being transported to the U.S. Capitol to lie in state there on Friday. McCain will have a funeral service in his home state on Thursday, where former Vice President Joe Biden Joe BidenPelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Hillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns Fox News poll: Biden ahead of Trump in Nevada, Pennsylvania and Ohio MORE will speak.

On Saturday, Obama and and former President George W. Bush will eulogize McCain during a service at the National Cathedral in Washington, D.C.

McCain will be buried in private at the U.S. Naval Academy in Annapolis, Md., on Sunday.

McCain died on Saturday at age 81 after being diagnosed with brain cancer last year.

Following McCain’s death, Palin wrote in a tweet that McCain “was a maverick and a fighter.”

“Today we lost an American original,” she tweeted. “Sen. John McCain was a maverick and a fighter, never afraid to stand for his beliefs. John never took the easy path in life — and through sacrifice and suffering he inspired others to serve something greater than self.”