An amateur boxer has died after collapsing following a victorious bout at a regional championship in the north-eastern German town of Güstrow, his club said on Thursday. He was 24. The FSV Bentwisch club told dpa that the man was resuscitated after Saturday’s fight but died a few days later in hospital. The club said on Facebook: “At the state championships in Güstrow, our boxer Richard falls unconscious after winning his boxing match. “After terrible moments, hours and days, we now have the sad certainty that our Richard ‘Arti’ has unfortunately lost this fight. Deep sadness, pain and also in…