A protester held a sign ripping President TrumpDonald John TrumpTrump claims media 'smeared' students involved in encounter with Native American man Al Sharpton criticizes Trump’s ‘secret’ visit to MLK monument Gillibrand cites spirituality in 2020 fight against Trump’s ‘dark’ values MORE as a “coward” alongside the funeral procession for the late Sen. John McCainJohn Sidney McCainGrassley to test GOP on lowering drug prices Listen, learn and lead: Congressional newcomers should leave the extremist tactics at home Overnight Defense: Trump unveils new missile defense plan | Dems express alarm | Shutdown hits Day 27 | Trump cancels Pelosi foreign trip | Senators offer bill to prevent NATO withdrawal MORE (R-Ariz.) in Washington on Saturday.

“POW McCain hero, Trump coward,” the sign read.

The message was clearly visible in news coverage of the procession carrying McCain’s casket from the Washington National Cathedral.

McCain died Aug. 25 at age 81 from an advanced form of brain cancer.

ADVERTISEMENT

Former Presidents Obama and George W. Bush delivered eulogies at McCain's funeral service in Washington. McCain’s daughter Meghan McCain also gave a powerful speech that took several swipes at Trump.

Trump was not invited to the funeral service. The president and senator had a contentious relationship that continued even into McCain’s death, with Trump declining to issue a statement on McCain until two days after his death.

Trump famously mocked McCain for being a prisoner of war during Vietnam, saying during the 2016 presidential race: "He was a war hero because he was captured. I like people who weren't captured."

Trump has been criticized by McCain and others for receiving five deferments from the draft during the Vietnam War, at least one of which cited bone spurs.

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