Update: The death toll has risen to at least 64 after a Renfe train ran into the back of a stopped Iryo train on the Madrid–Seville line in Toledo province, knocking two carriages off the track, and the cause is not yet known, the Castilla-La Mancha government said, according to The Guardian.
the GuardianSpain train crash: at least 64 dead after collision in Toledo provinceHigh-speed service travelling from Madrid to Seville runs into back of another, knocking two carriages off track