Both sides move on to four points and will be relatively happy to emerge with a draw from a fiery encounter that threatened to boil over in the latter stages.

It finishes level at Ewood Park.

Arsenal are pressing in the dying stages but can't manufacture a clear chance.

Nicklas Bendtner shoots wide after finding space on the edge of the area.

Four minutes injury time will be played.

A late appearance for Benni McCarthy - Rovers' top scorer last season replaces Roque Santa Cruz .

Andre Ooijer replaces Matt Derbyshire.

Ryan Nelsen receives a second yellow card for pulling back van Persie - this match never looked like ending with a full compliment of players.

Things are threatening to boil over as van Persie and Warnock square-up.

David Dunn clears Nicklas Bendtner's effort. Rovers have the momentum but Arsenal look dangerous on the break.

Nicklas Bendtner replaces Theo Walcott.

Another booking as Robin van Persie hacks down Ryan Nelsen.

David Dunn scores with a 20 yard effort that Jens Lehmann lets slip through his grasp. Another error from the Gunners keeper and Rovers have the reward for their second half dominance.

Robin van Persie is down receiving treatment after landing awkwardly. He is led off but looks ready to continue.

Good save by Lehmann from Pedersen's free kick. Rovers are increasing their pressure.

Denilson replaces Eduardo. Arsene Wenger is clearly concerned by his team's lack of possession.

Another flurry of bookings here - Clichy is the seventh man to be cautioned.

Cheers from Rovers fans as Eduardo is booked for tugging at Samba's shirt.

Rovers denied a penalty as Flamini handles on the line from a Derbyshire header, but the whilstle has already gone for an infringement by a Blackburn player.

Rovers skipper Ryan Nelsen is the fourth home player to be booked.

Chance for Matt Derbyshire who can't direct a chance on target - his header across goal is claimed by Lehmann.

Arsenal break quickly but Flamini is offside - Eduardo was onside but was not found. The home side must be wary of those Arsenal counterattacks.

Roque Santa Cruz heads wide from David Bentley's cross. Rovers are enjoying more possession in Arsenal's half.

Mathieu Flamini trips David Bentley and is fortunate to avoid a second booking. Rovers have started the half better.

Penalty appeal waved away by Alan Wiley. Robbie Savage wriggles into the box and falls under Kolo Toure's challenge, but the referee plays on.

There are no half-time changes. Benni McCarthy is fit enough to be on the bench but has not yet been called upon. The second half begins.

The half-time whistle goes, ending a fractious period that contained four bookings. Robin van Persie's scrambled effort divides the teams.

Robbie Savage finally earns a booking that has looked likely for some time.

Five minutes will be added.

Philippe Senderos wins the header but can only direct it against Christopher Samba. Rovers clear the subsequent corner.

Alex Hleb weaves his way into the box and forces a corner.

Roque Santa Cruz has barely had a touch so far - the game is lacking fluency and Mark Hughes will be thinking about changing things at the break.

Robbie Savage is given a talking to by referee Alan Wiley but avoids a booking.

Eduardo Da Silva shoots narrowly wide as the game explodes into life. Brad Friedel looked to get a touch but a goal kick is given.

Ryan Nelsen hits the post with a firm header from a floated free kick. Arsenal scramble clear for a corner.

Christopher Samba is cautioned after yet another foul.

Tempers are flaring - Mathieu Flamini clatters Robbie Savage and has his name taken.

Philippe Senderos replaces William Gallas, who has not recovered from a knock.

A frustrated David Bentley is the first man in the book after an altercation with Robin van Persie.

Robin van Persie gives Arsenal the lead as Rovers fail to clear after a scramble in the penalty area.

Rovers are closing the visitors down well but Christopher Samba gets a little too close to Eduardo. Nothing comes of the free kick.

Scrappy start so far - neither side has managed to get their passing games going yet.

Theo Walcott is seeing plenty of the ball early on down the left, but fails to win a free kick despite Arsenal protests.

Brett Emerton whips in a dangerous cross but Jens Lehmann gathers, running into Kolo Toure in the process. The German is receiving extensive treatment from Gary Lewin.

Quick break by Theo Walcott but his pass ends up in Brad Friedel's arms.

We're underway at Ewood Park.

Both sides won their opening games by a 2-1 scoreline after going a goal behind. Arsenal won last season's corresponding fixture 2-0 and have won seven of their 13 Premier League trips to Ewood Park.

Arsenal are missing Gilberto Silva and Tomas Rosicky. They start with: Lehmann, Sagna, Clichy, Toure, Gallas (c), Hleb, Flamini, Fabregas, Walcott, Eduardo, van Persie

Mark Hughes has brought in Brett Emerton and Matt Derbyshire. The home line-up: Friedel, Emerton, Samba, Nelsen (c), Warnock, Bentley, Dunn, Savage, Pedersen, Santa Cruz, Derbyshire.