Lithuania’s Mykolas Alekna fell three centimetres short of emulating his father, Virgilijus Alekna, with Olympic discus gold as Roje Stona stole a first-ever gold in the event for Jamaica. Stona took the lead in the fourth round with an Olympic record 70.00 metres to shock the opposition for his biggest career success. He improved his personal best by 95 centimetres. That just beat the 69.97m the world record holder Alekna had thrown earlier in the final, and the Lithuanian wasn’t able to respond. He missed a major event gold for the third time after silver and bronze at the last two worlds. H…