Tragic three deaths in Detroit marathon

The Detroit marathon turned out to be a tragedy as three runners died durind the race. All three Detroit marathon deaths occured between 9 and 9.20 a.m. The first victim was a 60 year old man who fell down in unknown circumstaces and hit his head. He was taken to the hospital where was declared dead. The other two men aged 26 and 36 respectively collapsed also during the race and their deaths were confirmed at the hospital. All three deaths at US Detroit press/flagstar marathon happened at the end of the contest. The weather at the moment of tragedies was overcast.
Subsequently the officials said that all three men suffered heart attacks and nothing could be done even if the medical intervention was immediate.