Sean Everitt's side will face either Bayonne or Bulls in quarter-finals
Francke Horn scores Lions' first try after the break, but Ali Price crosses for Edinburgh to restore commanding lead
Wes Goosen, Ben Vellacott and Jamie Ritchie score first-half tries for Edinburgh
Edinburgh host Lions in last 16
FT: Edinburgh 24-12 Lions
That's all for tonight, as Edinburgh book their spot in the Challenge Cup quarter-finals, where they will take on either Bayonne or Bulls.
We'll be back tomorrow for Glasgow's Champions Cup last-16 tie against Leicester Tigers, but until then, goodbye.
Image source, SNSFT: Edinburgh 24-12 Lions
Edinburgh head coach Sean Everitt tells Premier Sports: "The guys put in a tremendous amount of effort in the first half and played some scintillating rugby.
"Probably could have scored some more tries if we're being picky, but pleased with how we defended.
"It was a good performance all-round. We've created opportunities in the past and not finished them off.
"[Freddy Douglas] is an incredible talent. He's just going to get better with more time on the pitch.
"It's a massive opportunity [in the quarter-finals]. For us, it's back to work on Monday and trying to improve on this performance."
FT: Edinburgh 24-12 Lions
Edinburgh full-back and player of the match Wes Goosen tells Premier Sports: "Pretty pleased. These guys embarrassed us in South Africa so it's nice to get the win.
"That performance hurt a lot, so we had to get one back."
FT: Edinburgh 24-12 Lions
Edinburgh will play Bayonne or Bulls in the last eight.
Those two play their last-16 tie tomorrow at 12:30 BST.
FT: Edinburgh 24-12 Lions
Chris Paterson
Former Scotland international on Premier Sports
Edinburgh had to manage a storm at the start of the second half.
The bench made an impart, including Freddy Douglas. An excellent performance from Edinburgh under pressure.
Edinburgh 24-12 Lions
Edinburgh win and are into the last eight of the Challenge Cup.
A job well done by Sean Everitt's side.
Edinburgh 24-12 Lions
Ross McCann tackles Manuel Rass into touch, resulting in a big cheer from the home crowd.
Edinburgh are nearly there.
Edinburgh 24-12 Lions
Jack Brown is on for Edinburgh, making his professional debut in the closing stages.
Jaco Visagie
Try given.
It was a powerful carry from Jaco Visagie and he just about wriggles and rolls to get the ball to the artificial surface.
The conversion is good and Edinburgh's lead is now 12.
They couldn't stage a comeback, could they? There surely isn't enough time.
Edinburgh 24-5 Lions
Lions think they are over, but referee Ludovic Cayre deems the ball to have been held up by Freddy Douglas.
The TMO seems to think it's down though...
Ali Price
Game over!
Ross Thompson releases Matt Currie with a lovely delayed pass and Currie draws the final defender to put Ali Price away under the posts.
Ross Thompson adds the extras and that should be that.
Edinburgh 17-5 Lions
Chris Paterson
Former Scotland international on Premier Sports
He's an incredible talent with one particular super skill.
It's an important penalty for Edinburgh.
Edinburgh 17-5 Lions
And Freddy Douglas is straight into the thick of the action to get over the ball and win a turnover.
He is some talent.
Image source, SNSEdinburgh 17-5 Lions
Young Freddy Douglas is on for Edinburgh, along with Ali Price.
Hamish Watson and Ben Vellacott make way.
Edinburgh 17-5 Lions
Ross Thompson does superbly to read the play, scramble back and prevent a Lions 50-22 after an excellent kick from visiting wing Richard Kriel.
Edinburgh 17-5 Lions
Chris Paterson
Former Scotland international on Premier Sports
This period is all about game management for Edinburgh.
Edinburgh 17-5 Lions
The verdict is that Ewan Ashman's tackle was legal.
On we go.
Edinburgh 17-5 Lions
There's a lot of pushing and shoving without either side making much ground.
The officials are now analysing a collision between Ewan Ashman and Lions replacement hooker Jaco Visagie.
Edinburgh 17-5 Lions
Boan Venter replaces Pierre Schoeman for the hosts.
Some fresh legs in the front row, which could be vital in the closing stages.
Edinburgh 17-5 Lions
Andy Burke
BBC Sport Scotland at Hive Stadium
The Lions coaching team are sitting just along from me and are screaming at their players to "get off the line" in defence, which they are doing more effectively than in the first half.
They seem pleased with what they're seeing from their team in this second half. Clearly they think this match is still there for them.
Next score is crucial.