Borussia Dortmund's 2-0 win over Mainz on Sunday was overshadowed by a tragic incident, as one fan died from a heart attack in the stands.
James Whaling of the Irish Mirror reported the news, while the club released a statement (in German) to confirm.
The Signal Iduna Park fell silent once the news had spread, with both Dortmund and Mainz fans paying their respects. Per Bleacher Report's Lars Pollmann, the officials also understood the gravity of the situation:
Ref sensibly blows the final whistle on the spot.