city scored an interesting goal: the linesman (lineswoman?) raised her flag during a city attack, the referee let city continue their attack, and cancelo scored a beauty. after var review, they confirmed that silva wasn't offside during the build-up, so the goal stood.
dunno what's the protocol (or whether there's any) for these cases, but i find reasonable that some of the west brom defenders stopped defending when the lineswoman raised her flag.