Russian oligarch and sharp critic of Putin found dead
Thousands of dead prawns washed up on beach in Chile
Tightrope stunt over the Grand Canyon
Fancy dress skiers plunge into cold water at Red Bull event
Chinese chicken lays monster egg with another egg inside
Protesters, security forces clash in Egypt
Two killed when private jet hits three homes
Chicago dyes its river green for St Patrick's Day celebrations
Shocking photos of big pets on deadly diets