"Barcelona" fans broke the window of the "Atletico Madrid" bus.
Idman.Biz reports this with reference to COPE.
The second leg of the Copa del Rey semi-final between the teams is currently being held in Barcelona.
According to the source, a large crowd of "Atletico Madrid" fans lined the road, lit pyrotechnics and started throwing them, and also started setting off fireworks. There are many law enforcement officers at the scene. It is unknown whether there were "Atletico Madrid" players or staff on the bus.
In the first match held in Madrid on February 12, "Atletico Madrid" won 4:0 over "Barcelona".