Britain's Paula Radcliffe has been forced out of the London Marathon after breaking a toe in training.

A three-time winner of the race, Radcliffe had been hoping to build on her victory in New York in November.

The marathon world record-holder sustained the break to her right second toe while altitude training in the USA.

"I am desperately disappointed especially as I was looking forward to running in front of the amazing crowds of spectators in London," she said.

Radcliffe had been suffering from a ganglion, a swelling that...