At least one from Bolt, Gay or former world record-holder Asafa Powell will be scheduled to run at every Diamond League meeting.

BBC: to screen all Diamond League events

In London, Bolt will be running against compatriot and former world record-holder Asafa Powell in the 100m, and with him in the relay.

CNN: Bolt aims for improvement in London event

And Paraguay became a bolt-hole for Nazi war criminals, including for a time the former SS doctor at Auschwitz, Josef Mengele.

BBC: NEWS | Americas | Obituary: Alfredo Stroessner