A new promo clip for the upcoming final season of House of Cards has confirmed the worse kept rumour in politics - fictional or otherwise - Frank Underwood is officially dead.

The hit show makes its return in November without lead actor Kevin Spacey and in the trailer Spacey’s screen wife Robin Wright, who plays Claire Underwood, can be seen standing by her husband’s grave and casting a cold eye and some colder words.

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"I'll tell you this though, Francis," she says. "When they bury me, it won't be in my backyard. And when they pay their respects, they'll have to wait in line."

The new clip does not give details of how Frank Underwood dies on the show but Netflix has said that the sixth and final season of House of Cards will focus on Wright's devious character, who became US president at the end of season five.

Season six of House of Cards will centre around Claire Underwood, played by Robin Wright

Spacey was dropped from House of Cards last year after more than 30 people accused the Oscar-winning actor of sexual misconduct, but it was not known how his ruthless US president character would be written out of the TV show.

Spacey became embroiled in controversy in 2017 when actor Anthony Rapp accused him of trying to seduce him in 1986 when Rapp was 14. Spacey apologised for any inappropriate conduct with Rapp but has not commented since and has stepped away from public life.

On Tuesday Los Angeles prosecutors announced that they would not file sexual assault charges against Spacey in one case involving a 1992 accusation because it fell outside the California statute of limitations. A second case is under review by the Los Angeles District Attorney's office.

The sixth season of House of Cards will be released in November with just eight episodes rather than the 13 episodes of previous seasons.