What's happening? Two high-speed trains have collided in Spain, causing the suspension of the line connecting Madrid to the southern Andalusia region, rail operator Adif said At least 64 people have been killed in the crash, the regional government of Castilla-La Mancha said The trains crashed just after 9 a.m. (0800 GMT) and the cause of the crash and full details of casualties are still being determined It's the second major deadly train crash this year, after an accident in January between high-speed trains belonging to the same operators on the same line killed 46 people The crash comes at...