The accident occurred while Kerry was out cycling the day after meetings with his Iranian counterpart Mohammad Javad Zarif in Geneva to try to overcome obstacles in negotiations on curbing Tehran's nuclear programme.

He was flown by medical helicopter from the scene of the accident to Geneva's main public hospital, where he was being examined, spokesman John Kirby said.

"Secretary Kerry is stable and likely suffered a leg injury. He did not lose consciousness," Kirby said, adding that paramedics and a doctor were on the scene with Kerry's motorcade at the time of the accident.

The 71-year-old secretary of state is an avid cyclist and often takes his own bike on official trips abroad. A senior State Department official said it appeared Kerry hit a curb and there was no vehicle involved in the accident.
He has, however, called off the rest of a four-nation trip, which included visits to Madrid and Paris and will return to the U.S. for further treatment.

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