John Carew hits the bar from a Nigel Reo-Coker cross and that could be it for Villa

An unsavoury incident as fourth official Phil Sharp appears to have been hit by something thrown from the crowd

There's four minutes of added time, more than enough for a winner

Villa win a last-minute corner as Sol Campbell wins another battle with John Carew

A frustrating day for the Villa fans as their team is unable to break the deadlock

Sylvain Distin manages to clear a ball before it's picked up by Gabriel Agbonlahor in the penalty area

Portsmouth are enjoying on a good spell of possession despite being down to 10 men

Villa win another corner but the Pompey towering defence is able to clear again

There's not enough power on Young's free-kick and David James is able to save comfortably

Ashley Young runs forward and unleashes a shot which whistles over the bar, lifting the crowd

It's gone quiet again around Villa Park

Great defending from Pompey as Sylvain Distin manages to divert a ball from Gabriel Agbonlahor behind for a corner

The players seem to be tiring and there's not much quality on show

Villa are gifted a corner as David James misjudges a James Milner corner and almost palms the ball into his own net

Jermain Defoe turns Martin Laursen and is bearing down on goal but Gareth Barry is able to get back and win the ball back

Villa win yet another corner but James Milner's ball is well defended by Peter Crouch

The crowd are lifted by a charge forward from John Carew but he can't get past Sol Campbell

Glen Johnson's free-kick is easily caught by Friedel and Villa counter but Nigel Reo-Coker's cross/shot flashes across the goal

Gareth Barry is penalised for a challenge on Papa Bouba Diop and the Pompey player stays down for treatment

Ashley Young draws another foul, this time from Papa Bouba Diop

Ashley Young pulls his shot wide after a lovely cross from Stiliyan Petrov

Villa lift their game and win a couple of corners in quick succession but can't make the most of their set-pieces

Chances are limited for both sides as the crowd begin to voice their frustration at some Mike Riley's decisions

The game needs a goal as the second half has no momentum just yet

It looks like it will be a mistake or moment of magic that breaks the deadlock in this game

The referee blows up on a goalless first half

There's one minute of added time

Glen Little and Peter Crouch link up well again and Crouch claims a penalty as he tumbles in the area but the referee isn't interested

End-to-end action as Peter Crouch's header from Glen Little's cross is too tame and is straight at Brad Friedel

There's an almighty goalmouth scramble as Young sends in a low free-kick but Pompey manage to clear

Nigel Reo-Coker tries a shot from 30 yards out which sails over the bar

No shots on target yet for Villa as James Milner sends in a cross which evades everyone

Defences are on top in this contest of evenly matched sides

Ashley Young's free kick is volleyed goalwards by James Milner and cleared as far as Carlos Cuellar who tries a cheeky header which loops over the bar

Both sides are finding it difficult to keep the ball

Martin O'Neill is enraged as Ashley Young is penalised for taking the ball off Glen Johnson when it seemed a fair tackle

The Pompey defence is looking really strong and Villa need to produce something special to break them down

Portsmouth should be ahead as Armand Traore hits a powerful shot which hits the post and rebounds to Jermain Defoe who somehow blasts it over the bar

Curtis Davies is doing well to contain Peter Crouch and keep him quiet

John Carew and Sol Campbell collide and Campbell wins the free-kick in the latest stage of that battle

Nigel Reo-Coker is back on the field with a different shirt on after receiving some treatment

The big guns come forward as Villa win a free-kick near the corner flag but David James gathers the ball at the second attempt

Barry's corner is met by Portsmouth and they try to attack but everyone was back defending and the move breaks down

James Milner wins another corner as he tries to find Gabriel Agbonlahor

Jermain Defoe bursts into the area and tries to square the ball back to a team-mate but the ball deflects back to Friedel

Pompey are playing their part in this game but Friedel hasn't had much to do

Jermain Defoe breaks forward but Nigel Reo-Coker does really well with a fine tackle to prevent the Pmpey attack

Barry's free-kick is touched on to Curtis Davies by Martin Laursen and then back to the Villa captain and they almost take the lead but the ball ends up over the bar

Ashley Young tries a backheel to Gabriel Agbonlahor which almost gets through but is well defended

Villa are trying to build patiently and Young and Carew are in the thick of most of the action

A free-kick goes against John Carew in the penalty area much to the disgust of the crowd

Portsmouth do well to defend the corner as Carew is almost in on goal, and counterattack quickly but Armand Traore's touch deserts him

Gabriel Agbonlahor uses his pace against Sol Campbell and wins a corner

John Carew vollies a speculative left-foot effort from the right-hand side of the goal but David James watches it go wide

The crowd buzz as Gabriel Agbonlahor and Ashley Young link up but Agbonlahor's cross is too powerful for James Milner

Pompey have started well, playing good possession football

Ashley Young and Gareth Barry link up down the left but Young takes a tumble and the ball goes out for a goal kick

Brad Friedel makes a good save down to his left from Sean Davis following a good Pompey move, cutting through Villa down the right side

Villa need to get back to winning ways and start positively