FULL-TIME: Leyton Orient 3-2 Crawley Town
Orient still hanging on for their lives for that all important win, but Crawley are literally throwing the kitchen sink at Orient!
James Collins and Nicky Hunt are subsequently booked after squaring up to each other in the box as five minutes additional time has been added.
Cisak is on hand to tip over Payne's free kick from 25 yards as the game is now dominated by Crawley.
Substitute Bawling almost makes it 3-3 but Orient manage to get the block in to deny the winger, before McCallum is booked for a foul on Connolly.
It is now a very tense game for Orient as the Crawley fans are no in full voice and urging their side to get the equaliser.
Orient are now currently occupying all 11 men behind the ball in order to keep their lead that they worked so hard for.
Nerves now surround Brisbane Road amongst the home side as Boldewijn rounds Cisak and produces a great finish to make the score 3-2.
As the full-time whistle is in sight, Cisak tries to waste time by taking longer than expected to take the goal kick, but he is warned by the referee.
Crawley make their second change with 15 minutes to go as Jordan Roberts is replaced by Bobson Bawling.
After some slight pinball in the box from Collins' corner, Crawley eventually clear their lines as the E10 side look for a fourth goal to really put this game to bed.
72": Crawley substitute McNerney is given a booking for a foul on Massey as Orient have a free kick in a dangerous position that is cleared.
This game is now end-to-end action.
67": A mini scramble in the Orient penalty area descends, before Cisak finally claims the ball as Orient a starting to panic at the back a little bit.
65": Incidents at both ends, first, James Collins sliced his effort from the edge of the box for Crawley, before an Orient breakaway resulted in Massey claiming for another penalty after being brought down in the box, which was refused by referee Trevor Kettle.
Just before the substitution, McCallum should've restored Orient's three goal advantage with a free header that went narrowly wide after a delightful cross from Massey.
51" Orient make their first change as the goal scorer Sam Dalby makes way for Jordan Bowery.
Can Orient hang onto their precious lead?
Attacker Enzo Boldewijn pulls a goal back for the visitors with a neat near post flick after Orient failed to clear there lines which gisted Lewis Young with the assist.
Attendance: 4,486 (295 Crawley fans)
48": Josh Payne's hopeful effort for Crawley goes high and wide as the away side have started the second half the better team.
46": Parkes puts in a whole hearted block to deny Smith a goal scoring opportunity as Crawley win a corner.
Crawley have made a half-time sub as Andre Blackman is replaced by Joe McNerney.
Both sets of players now return to the field for the second half.
Half-time: Leyton Orient 3-0 Crawley Town.
Myles Judd's delightful through pass to Massey in the box saw Roberts bring down the winger and the ref had no choice but to point to the penalty spot, before McCallum sent the keeper the wrong way to claim his brace.
McCALLUM DISPATCHES HIS SPOT KICK WITH EASE.
"45: Shouts of handball from the home side after McCallum's header allegedly hit Crawley's Mark Connolly on the arm are denied by the referee.
"45: Fourth Official Michael Webb has brandished a minimum of four minutes added time to this superb first half for Orient.
"43: Sandro Semedo's in swinging cross saw McCallum's tame header fall straight into the hands of Morris.
"41: Collins gets an applause from the home faithful after a textbook crunching tackle with Roberts results in the referee penalizing the latter.
"37: Massey again causing all sorts of problems again for the Crawley defence, but Crawley deal with the winger's cross this time around. As you can probably tell, Massey is having a very good game so far., his best so far this season.
32": Cisak has a save to make as Crawley striker James Collins' first time effort from the edge of the area is easily handled by the O's shot stopper.
"29: Shouts for a penalty by Crawley after Jimmy Smith was brought down in the penalty area by Tom Parkes are waved away by referee Trevor Kettle, as Nicky Hunt receives some treatment.
"26: It was Crawley's turn to create an attack, with winger Jordan Roberts producing a delightful cross that Cisak dealt with, before Orient eventually cleared their lines.
"23: This time, Massey produces a volleyed cross, which McCallum was not expecting and as a result, the former West Ham striker fluffed his lines inside the six yard box.
"20: Orient's main attacking outlet has been on the right flank where Massey and Judd have made left back Andre Blackman's afternoon torrid so far.