1.   The legs go first in an exhausted fighter, and an exhausted fighter is more prone to injury.

2.   Then, in an extraordinary final round, with both exhausted fighters winging dozens of power punches, Williams and Luna traded the lead with every exchange.

3.   It has become more and more difficult for the exhausted Chechen fighters to leave the centre and fall back to rest in less exposed positions.

4.   An AFP correspondent who visited Koysanjak on Tuesday came across exhausted KDP fighters eating a lunch of bread, eggs, apples, dates and potatoes and smoking cigarettes.