Police officers stand guard at the entrance of the Geneva University Hospital (HUG)in Geneva on May 31, 2015 while US Secretary of State John Kerry was receiving treatment there after a cycling accident. US Secretary of State John Kerry broke his leg in a cycling accident in France and will fly back to the United States for treatment, cutting short a European trip. Kerry, 71, a keen cyclist, was hospitalised in the Swiss city of Geneva after the accident across the border in the French Alps, the State Department said. AFP PHOTO / FABRICE COFFRINI