Rediff.com's Day 4 guide to Moscow World Athletic championships.
World record holder David Rudisha of Kenya and Ethiopia's defending champion Mohammed Aman cruised through the heats for the 800 metres on a hot and humid opening morning at the world athletics championships in Beijing on Saturday.
A summary of sports events and sports persons, who made news on Friday
Olympic champion and world record holder David Rudisha ran from the front and trusted his finishing pace to regain the world 800 metres title at the World Athletics Championships in Beijing, on Tuesday.