Prosecutors have launched a probe into the sudden death of Dinamo Bucharest and Cameroon midfielder Patrick Ekeng after he collapsed during a match in the Romanian capital.

The 26-year-old Ekeng fell to the ground without any contact with another player seven minutes after going on as a substitute in a match between Dinamo and Viitorul Constanta on Friday.

The match was at 3-3 and being broadcast live when Ekeng collapsed in the 69th minute. Local media said he had a heart attack.

Ekeng was rushed to Floreasca Emergency Hospital where the staff was unable to resuscitate him.

Players and staff were seen crying as events unfolded. Some went with him to the hospital.

The Romanian Football Federation announced Saturday that following the tragedy, all games slated for May 7-9 as well as the May 10 Cup final were postponed.

Ekeng also played for Spanish club Cordoba CF, Swiss club Lausanne, and French club Le Mans. He moved to Dinamo in 2015.