Arsenal were in cruise control against Brighton this afternoon before a surprise red card for Declan Rice sent the game into chaos at The Emirates. Rice was shown a red for an act of petulance that saw Joel Veltman kick him after Rice had toed the ball away. By the letter of the law, Rice caused an obstruction and was shown a second yellow card for what was his first red card in over 240 games in the Premier League. READ MORE: Arsenal staff are shocked by one aspect of the deal to sign Raheem Sterling from ChelseaAlmost immediately afterwards, Brighton got their equaliser through Joao Pedro an…