A viral video was seen making the rounds on social media at Wrigley Field, which showed an older Chicago Cubs fan slapping a younger spectator in the back of the head.
More details revealed that the reason was that he refused to stand during the national anthem being played in the background.

The older individual repeatedly yelled Get up at the younger individual who remained seated during the Star-Spangled Banner, giving rise to a major confrontation. When the younger individual refused to comply, the older man leaned in and whispered in his ear, striking him on the back of the head.

The younger individual immediately stood up for the rest of the anthem, while nearby spectators reacted with sheer shock and surprise and mixed objections. The Chicago police department mentioned to media outlet TMZ that they are not aware of the video, but no official police report was filed yet.
The footage sparked a massive debate online after the video amassed millions of views. This also sparked intense online division.