A consultation about excessive grappling in the penalty area and how to deal with it will take place at the end of the season, referees' chief Howard Webb says. Webb confirmed the move after explaining why disallowing West Ham 's last-ditch equaliser against Arsenal on Sunday was the correct decision. Callum Wilson thought he had rescued a Premier League point for the Hammers on Sunday in the fifth minute of stoppage time, only for the video assistant referee (VAR) to intervene for a foul by Pablo on Gunners goalkeeper David Raya. The decision was controversial, giving Arsenal a 1-0 win and impacting not only the fate of the two clubs, but also Manchester City and Tottenham Hotspur at either end of the Premier League table. Arsenal boss Mikel Arteta said the VAR, Darren England, had showed "a lot of courage" to rule out the goal, while West Ham manager Nuno Espirito Santo criticised a "lack of consistency" by referees. Webb, speaking on Match Officials Mic'd Up, said the foul on Raya had to be penalised.…