US investigators believe a smuggling operation in which 19 illegal immigrants died after being packed into a sweltering trailer with dozens of others is part of a larger organisation.

Seventeen people were found dead when authorities opened up a sweltering, airless trailer that had been abandoned at a south Texas highway service station with more than 100 illegal immigrants locked inside.

A trio of jockeys including former champion Kevin Darley escaped serious injury following a horrific pile-up at Hamilton yesterday.

Kieren Fallon’s attempt to save his ride on favourite Golan in Saturday’s Vodafone Derby met with defeat and disappointment today.