LONDON — British two-time Olympic champion track cyclist Katie Archibald will miss the Paris Games after breaking two leg bones in a freak accident.

The 30-year-old Archibald fractured her tibia and fibula and dislocated an ankle when she tripped over a garden step.

She also sustained substantial ligament damage during the incident on Tuesday and has since undergone surgery.

“I tripped over a step in the garden and managed to, somehow, dislocate my ankle; break my tibia and fibula; and rip…