A millionaire big-game hunter has been killed after being trampled by elephants while on a hunting expedition. Ernie Dosio, 75, had been searching for a rare species of antelope in the Lope-Okanda forest in Gabon , central Africa , when a herd of five elephants emerged and crushed him underfoot . The American vineyard-owner from Lodi, California, had collected an array of animal trophies during his lifetime, including rhinos, elephants and lions . Safari operator Collect Africa confirmed Mr Dosio’s death , according to a report in the Daily Mail . The company said that a professional hunter who had been guiding Mr Dosio was also seriously injured in the incident, which is said to have taken place on 17 April. The team had been on the lookout for a yellow-backed duiker, the largest of all duikers, which is one of the most heavily-hunted species across forests in West and Central Africa. The group of five elephants with a calf are said to have been well-hidden in the undergrowth surrounding them.…