Thirty-one people are now known to have died in a head-on collision between a passenger bus and a petrol tanker in southen Morocco. <br /><br /> Most were killed when the two vehicles exploded into flames straight after the crash.<br /><br /> Nine people survived. All were badly injured in the crash,which happened on a road between the capital city, Rabat, and Laayoune, in Western Sahara. <br /><br /> The bus was carrying young athletes and officials from the Ministry of Youth and Sports. They had been taking part in a national sports competition.
