Nigerian international Alex Iwobi continued his impressive form for Arsenal with two assist in their derby match at West Ham.
Mesut Ozil and Alex Sanchez converted Alex Iwobi passes to put Arsenal 2-0 up in the 18th and 35th minutes of the first half but Carroll netted twice in the 160 seconds to bring his side level by half time.
A far post header in second half completed Carroll’s treble, before Laurent Koscielny hooked in the equaliser from 10 yard.
Iwobi has now scored twice and assisted another two goals in his first three league starts for Gunners.