For Nick Hayden fans, the news goes from bad to worse.

This just in from Repsol:

Repsol Honda Team star, Nicky Hayden broke his right collarbone in a training accident in Italy this afternoon (Saturday).

The 23-year-old American fell from a Honda CRF450 whilst training in Pavia, near Milan in northern Italy. He is under the care of MotoGP doctor, Dr Claudio Costa, and has had a plate inserted by the specialist in a short operation this afternoon.

A decision as the whether Hayden will take part in the next GP in Estoril, Portugal, scheduled next weekend (Sept 3rd- 5th) will be taken after his condition has been accessed by his medical team and the Repsol Honda Team in due course.