Tobi Amusan on Sunday won gold in the Women’s 100 metres hurdles at the ongoing World Athletics Championships in Oregon, USA. Nigeria left her best for the last day of the World Athletics Championships in Eugene, Oregon, U. S. by winning a gold and a silver medal. The feat by the 25-year-old meant that she made history as the first Nigerian to win a world title and an unprecedented world record in one day. Amusan first ran a blistering 12:12 seconds to shatter the world record of 12:20 seconds set by Kendra Harrison of U. S. in the semi-finals. She then followed up with a (+2.5) wind-assisted …