Play had to be suspended in the Madrid derby after Atletico Madrid fans appeared to throw objects at rival players on the pitch.
After a tense first 45 minutes, Eder Militao gave the visitors the lead at the at the Metropolitano Stadium just after the hour mark.
The opener erupted simmering tensions inside the stadium and just minutes later fans began throwing objects on to the pitch in the direction of Real Madrid players.
The referee led both sets of players off the pitch as he attempted to restore order.
Diego Simeone could be subsequently seen walking over to the home fans in an attempt to calm them down so the action could get back underway.
More to follow