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A new, longer trailer for 24: Live Another Day has been released by Fox, which returns for a new 12-episode run in May.

After a four-year absence Kiefer Sutherland reprises his role of Jack Bauer who is racing to thwart an unthinkable terrorist attack in London.

The cast also stars Mary Lynn Rajskub, who reprises her role as Chloe, William Devane and Kim Raver.

Colin Salmon, Stephen Fry, Tate Donovan, Benjamin Bratt and Yvonne Strahovski also appear in the series.

24: Live Another Day will simulcast in the US and UK on Fox on May 5th and at 1am on Sky 1 May 6th in the UK.

Watch the trailer below…