AK first hand of the tourney

[willperkins]

First hand of the tourney.

After the flop and the big raise by UTG+1, do you fold, call, raise, or push?



$10/$1
PokerStars No-Limit Hold'em Tourney, Big Blind is t20 (9 handed) converter

Button (t1500)
SB (t1500)
BB (t1500)
UTG (t1500)
UTG+1 (t1500)
Hero (t1500)
MP2 (t1500)
MP3 (t1500)
CO (t1500)

Preflop: Hero is MP1 with A[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/heart.gif[/img].
<font color="#666666">1 fold</font>, UTG+1 calls t20, <font color="#CC3333">Hero raises to t80</font>, <font color="#666666">6 folds</font>, UTG+1 calls t60.

Flop: (t190) K[img]/images/graemlins/club.gif[/img], 8[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">UTG+1 bets t420</font>, <font color="#CC3333">

Hero??