Katie Ledecky of the United States leads the field in the  800m freestyle final at the  2016 Olympic Games at the Olympic Aquatics Stadium in Rio de Janeiro. Photograph: Adam Pretty/Getty Images

There is a photograph from the 2016 Olympics that captures the true extent of Katie Ledecky’s superiority over her competition. As the 19-year-old is (...)

Rebecca Adlington with her Olympic golds, left, and posing for Hello! with Summer, her most prized possession

She won two gold medals in the 2008 Olympic Games yet swimmer Rebecca Adlington has said that she regards giving birth to her daughter Summer as her “(...)

Camille Muffat of France celebrates winning the gold medal in the women’s 400m freestyle final at the  London 2012 Olympic Games. Ten people, including Muffat, former boxer Alexis Vastine and yachtswoman Florence Arthaud, were killed on Monday when two helicopters collided in northern Argentina, news reports said. Photograph: Patrick B Kraemer/EPA

Tributes were pouring in on Tuesday morning for three French sports stars killed in a helicopter crash in Argentina.Two helicopters collided near Vill(...)