GOAL! The rout is complete. Derby lead 6-1 on aggregate, 4-0 on the night.
GOAL! Consolation for Brighton as they pull one back late in the game.
There will be a minimum of three minutes of added time at the end of the second half at the iPro Stadium. Derby hold a 6-2 aggregate lead over Brighton and are on their way to Wembley.
Phew. What an end to a big weekend of football. We'll be bringing together some of the reaction to the match at the iPro Stadium in Derby as it comes in. Otherwise we'll be back tomorrow with more live play-off action.
Derby County boss Steve McClaren: "It's a great achievement."
Steve McClaren tells Sky Sports that if his players can handle the occasion at Wembley then they are 'a match for anyone'.
Steve McClaren says he is not concerned about whether his Derby side face QPR or Wigan in the play-off final at Wembley on May 24.
What a night. A fine advert for the Football League and the game. We'll be back tomorrow with more reaction to that Queens Park Rangers victory, as well as build-up to tomorrow night's League 1 semi-final second leg between Leyton Orient and Peterborough United. Night all!
Morning all. Caught our breath after last night's dramatic conclusion at Loftus Road? Here's some reaction to that QPR win that sets up a Wembley date with Derby County.