Paula Radcliffe says her preparations for the marathon at the London Olympics are being hampered by a foot problem that has flared up during training.
Defending champion Jessica Ennis moved into the lead after four events in the heptathlon Monday at the world championships.
Britain is waiving its tax rules to lure Usain Bolt and other top international athletes to compete at this summer's Diamond League event in London's Olympic Stadium.
Double Olympic champion Mo Farah has won the men's athlete of the year award from the European Athletics federation for a second straight year.
Israel has barred a paralyzed Palestinian athlete who lives in Gaza from an Olympics celebration sponsored by the British government.