Now playing Next World News What are the toughest ultramarathons in the world? The Bolivian Skyrace is billed as one of the world's most difficult races. Which other races can runners use to test their endurance? 31/07/2017
Now playing Next World News Terrorism ruled out after German nightclub shooting leaves two dead Two killed including the gunman after a shooting in a nightclub in the southern German town of Konstanz 30/07/2017
Now playing Next Russia Russia in display of naval might Russia's annual Navy Day parade in gives Moscow the chance to display to the world its maritime power and military strength. 30/07/2017
Now playing Next Turkey Summer rainstorms see Istanbul pounded by hailstones the size of golf balls 27/07/2017
Now playing Next France Libya: rivals commit to conditional ceasefire Deal between rival leaders Fayez al-Sarraj and General Khalifa Haftar paves the way for elections early next year 25/07/2017
Now playing Next World News Euroviews. View: The West's decadent foreign policy- never bite the hand that feeds you "We are increasingly reluctant to allow our own vision of civil liberties and human rights to shape our foreign policies, owing to the potential commercial costs." 25/07/2017
Now playing Next Portugal Forest fires hit Portugal again Some 64 people were killed in June in the deadliest forest fires in Portugal's recent history. 24/07/2017
Now playing Next Greece Hundreds spend night outdoors following Kos earthquake Tourists and residents in Kos have spent the night out of their homes and hotels follow Friday's powerful earthquake. 22/07/2017
Now playing Next Greece Two killed on Greek island in powerful earthquake Two people killed and more than a 100 injured after a powerful earthquake on the Greek holiday island of Kos. 21/07/2017
Now playing Next Canada What protocol is advised when meeting the Queen? Here are some rules anyone coming into contact with British royalty might like to follow. 20/07/2017
Now playing Next France Which are the world's most influential countries? Brexit and elections cause significant changes from last year's list 20/07/2017
Now playing Next Canada Trump Hotel Toronto loses sign as rebranding gets underway The 'Trump' sign has been removed from the Trump International Hotel and Tower in the Canadian city of Toronto. 19/07/2017