Officials say the man in his 20s walked onto that track, for reasons that are unclear

Eyewitnesses say passenger lost her balance, apparently due to medical reasons, then fell onto rails at Savidor Central station

Country in uproar over mismanagement of dilapidated train lines, following deadly crash that killed 11

Cause of crash not immediately clear; rescue teams search for survivors

Rescue services operating on the scene near coastal city of Hualien; disaster reported to be island's worst rail accident in recent decades

Unauthorized gas stove apparently explodes, starting blaze that sweeps through carriages in Punjab region; some jumped to the deaths as they tried to escape flames