Luckily, Lisbon's bravest were able to confine the blaze to one section of the impressive stadium.
Benfica registered a tense 1-0 victory over its local rivals. Javi Garcia's goal put the Portuguese giants three points clear of Porto at the top of the Portuguese Liga ZON Sagres. Lisbon is in third, trailing Benfica by four points.
It is unknown what penalties Sporting Lisbon will face for the actions of its supporters.
Watch the video below to see the raging fire at Benfica's Stadium of Light.