Arsenal fans watching in West Ham section hurled down steps when they start cheering

Arsenal fans who were watching the game against West Ham in the home section were outed when they cheered a goal - only to be hurled down the steps.

The two Gunners supporters were at the London Stadium in the home section while quietly watching their team. But going incognito as Hammers fans in order to snag tickets for the decisive game was exposed when they erupted in cheers at Leandro Trossard's 83rd-minute goal.