The cousin of Prince Albert II of Monaco was found dead, a citizen of Ukraine was arrested -. About TF1 29-year-old Antoine de Massy was found dead on the evening of October 25 in a park near the Lerboteau beach district in Monaco. This was announced by the Principality's Attorney General's Office, reports TF1 Information with reference to AFP. The search for the man began after his family became concerned after there was no news of him until Sunday afternoon. The investigation was initially opened to determine the cause of death, but was later widened to arrest a man caught on CCTV footage with De Masi. According to the Prosecutor General of Monaco, Stéphane Thibault, the detainee is still considered a "suspect/witness", and the possibility of an accident has not been ruled out. On the evening of October 26, his detention was extended by another 24 hours, Monaco-Matin reports. According to a source quoted by TF1 Info, De Massi was seen leaving a nightclub in Monaco and rocking out on the night between Saturday and Sunday. The same source claims that the detainee is a citizen of Ukraine who lives in the principality. The Attorney General declined to comment on this information. Antoine de Massy was the grandson of Princess Antoinette, sister of Prince Rainier III, and son of Baron Christian de Massy. He was a relative of the current Prince Albert II. Our resources: Telegram Video VK YouTube RUTUBE Max Zen.