swansea city beat hull city 2-1 in the premier league at the liberty stadium on saturday .
ki sung-yueng fired the hosts into the lead after 18 minutes when he turned home jonjo shelvey 's parried effort .
bafetimbi gomis doubled the lead when he fired a volley into the roof of the net eight minutes before half-time .
paul mcshane got a goal back for the visitors just five minutes after the restart , tapping in from close range .
david meyley was given a straight red card three minutes after the goal when he lunged in on kyle naughton .
gomis made it 3-1 in injury time to grab his second of the match and restore the host 's two-goal advantage .