One mindful step at a time, a group of monks completed a 2,300-mile walk on Wednesday in the hope of spreading peace across the US and beyond. Hundreds of people gathered on the National Mall for the concluding ceremony, marking the end of their extraordinary trek from Texas to Washington, DC.

Here is how the Biathlon works, including its rules, scoring and history in the Olympics.

Shooter Libby Hart has been selected for the Team GB Olympic potential programme just three years after taking up the sport.

Olympic biathletes combine skiing and shooting using .22-caliber rifles. Here’s how the guns work and what athletes must do in the event. (AP)