A head-on collision between two trains on the primary route to the Inca citadel of Machu Picchu left one person dead and at least 40 others injured on Tuesday. The accident, which occurred near the archaeological site of Qoriwayrachina,

The number of people visiting Machu Picchu has increased by about 25 per cent over the past decade, but tourism in the area has also been affected by political turmoil and disputes over how the site is managed, with protesters sometimes blocking the railroad that leads to the ancient site.

Survivors and families of the victims of a deadly train crash in southern Mexico demanded answers on Monday as the government vowed to investigate what caused the train to derail.