At 4-4 in the third set, Edmund suffered a mid-rally injury to his ankle as he fell on the floor writing in pain.
While the crowd held their breath, fearing the 22-year-old Englishman had done some major damage, Dimitrov hurdled the net and ran to his opponent, eventually helping him hobble off court.
"In the last two games he wasn't at his best". (The jumping, not the sportsmanship.) Edmund would end up finishing the match, though Dimitrov prevailed 6-3, 6-7 (3), 6-4.
Dimitrov was in control against Edmund as he took the first set but was dragged into a second-set tiebreak which the Briton edged to set up the decider. It was very unfortunate what happened, for sure.
"The body feels good and the game feels good. I've seen this too many times and know the feeling so I really hope he gets better, that's the only thing", Dimitrov said court during the court-side interview.
Khloe Kardashian: this is what I'm naming my son
I kind of assume it's just known...he has to be there!" she exclaimed. Kardashian shared a baby bump photo at six months pregnant Tuesday.
On a day when Johanna Konta withdrew from her quarter-final with injury and Andy Murray announced he would not be able to play the Australian Open, Edmund gave British tennis something to cheer about with his win over Chung.
Grigor Dimitrov reached the semi-finals of the Brisbane International while Elina Svitolina advanced to the finals on Friday. That's just me, I guess. "I played some pretty good tennis in the second and third sets".
Teenage wild-card entry Alex De Minaur followed up his upset victory over Milos Raonic with a routine 6-4, 6-0 win over Michael Mmoh to reach his first tour-level semifinal. "So the first two matches of the year, I've got through two tough three-setters", added Kyrgios, who beat compatriot Matthew Ebdon 6-7 (3) 7-6 (5) 6-2 in the second round.
Harrison moved through when his opponent, Uzbekistan's Denis Istomin, retired due to a left hip injury with the American leading 7-6 (8/6), 4-2.