Donk call with 48, hits the 8 and is obviously behind, but calls for runner runner straight:

PokerStars Game #71795208445: Tournament #476294228, 10FPP Hold'em No Limit - Level III (25/50) - 2011/12/07 22:53:51 ET
Table '476294228 104' 9-max Seat #3 is the button
Seat 1: hihosilver62 (3355 in chips)
Seat 2: joseph_2011 (1185 in chips)
Seat 3: JJMBJM (1035 in chips)
Seat 4: lignaczak (3095 in chips)
Seat 5: RicardoPG11 (1460 in chips)
Seat 6: Gerchos87 (4130 in chips)
Seat 7: LHGit (2885 in chips)
Seat 8: jjjWalker626 (375 in chips)
Seat 9: mopar howie (1420 in chips)
lignaczak: posts small blind 25
RicardoPG11: posts big blind 50
*** HOLE CARDS ***
Dealt to LHGit [Kc Kh]
Gerchos87 has timed out while being disconnected
Gerchos87: folds
Gerchos87 is sitting out
LHGit: raises 423 to 473
jjjWalker626: calls 375 and is all-in
mopar howie: folds
hihosilver62: calls 473
joseph_2011: folds
JJMBJM: folds
lignaczak: folds
Gerchos87 is connected
RicardoPG11: calls 423
*** FLOP *** [6d 3d 8s]
Gerchos87 has returned
RicardoPG11: bets 987 and is all-in
LHGit: raises 1425 to 2412 and is all-in
hihosilver62: calls 2412
*** TURN *** [6d 3d 8s] [5c]
*** RIVER *** [6d 3d 8s 5c] [7s]
*** SHOW DOWN ***
LHGit: shows [Kc Kh] (a pair of Kings)
hihosilver62: shows [4s 8d] (a straight, Four to Eight)
hihosilver62 collected 2850 from side pot-2
RicardoPG11: shows [Ah 8c] (a pair of Eights)
hihosilver62 collected 3255 from side pot-1
jjjWalker626: shows [5h Qh] (a pair of Fives)
hihosilver62 collected 1525 from main pot
LHGit finished the tournament in 1185th place
RicardoPG11 finished the tournament in 1186th place
jjjWalker626 finished the tournament in 1187th place
*** SUMMARY ***
Total pot 7630 Main pot 1525. Side pot-1 3255. Side pot-2 2850. | Rake 0
Board [6d 3d 8s 5c 7s]
Seat 1: hihosilver62 showed [4s 8d] and won (7630) with a straight, Four to Eight
Seat 2: joseph_2011 folded before Flop (didn't bet)
Seat 3: JJMBJM (button) folded before Flop (didn't bet)
Seat 4: lignaczak (small blind) folded before Flop
Seat 5: RicardoPG11 (big blind) showed [Ah 8c] and lost with a pair of Eights
Seat 6: Gerchos87 folded before Flop (didn't bet)
Seat 7: LHGit showed [Kc Kh] and lost with a pair of Kings
Seat 8: jjjWalker626 showed [5h Qh] and lost with a pair of Fives
Seat 9: mopar howie folded before Flop (didn't bet)