In Summary
•City levelled from the spot through Mahrez early in the second half when Granit Xhaka was adjudged to have fouled Bernardo Silva in the box before Arsenal had Gabriel sent off for his second yellow card two minutes later.
•Rodri then struck from close range in second-half stoppage time to give City a win that extends their lead over Chelsea, who take on third-placed Liverpool on Sunday, to 11 points, while Arsenal are fourth on 35 points.