Daniel Martinez has been released from hospital after he was attacked by a motorist during a training ride, his EF Education First-Drapac p/b Cannondale team confirmed. Martinez spent a total of one night in hospital.

Martinez suffered a concussion and short-term memory loss as a result of the attack, and the team says that in conjunction with their concussion protocol he will be withheld from competition until such time as he has fully recovered.

The 21-year-old Colombian was out training with riders Julian Cardona and Miguel Eduardo Flores in Italy earlier this week when the incident happened. Martinez told El Tiempo that he had been remonstrating with a driver after he had overtaken the group. The driver got out of the car and punched Martinez in the jaw. Another member of the group was also punched before the driver fled the scene. Martinez was knocked out by the punch.

Martinez is coached former rider Michele Bartoli.