The discovery of a number of dead migrants in the back of a truck in Austria, just a day after the Italian coast guard said 54 people lost their lives trying to cross the Mediterranean, has highlighted once again the scale of the migration crisis gripping Europe.The truck concerned was on the A4 highway, which links Budapest in Hungary to the Austrian capital, Vienna, a spokesman for the Austrian Interior Ministry told CNN on Thursday. The truck was abandoned on the side of the highway and when police stopped and opened the back of it, they found the bodies, Alexander Marakovits said.(CNN/ bbc.com)…[+]