Cecs Fabregas and Zlatan Ibrahimovic were reportedly involved in a post-match confrontation following Paris Saint-Germain's 2-1 victory over Chelsea at the Parc des Princes on Tuesday.
According to Kieran Gill in the Daily Mail, the pair exchanged verbals as Fabregas left the stadium following the Champions League last-16 first leg.
The report added that the Chelsea players "were unhappy with what Ibrahimovic said to players on the pitch" and Fabregas decided to confront the Swede about it.
Susana Guasch of Spanish TV station Antena 3 tweeted some details of the exchange, via Gill: "Run-in between Ibra and Cesc on leaving the stadium.