At least 20 people were killed and some 34 injured after a speeding bus rolled of a cliff in Rumichaca, in the Peruvian region of Ayacucho. The bus was carrying 50 passengers when the accident occurred en route from Lima to the city of Ayacucho in the country's southeast. No Comment | euronews: watch the international news without commentary | http://www.euronews.net/nocomment/