Jamaican retired sprinter, Usain Bolt has congratulated Nigeria’s Tobi Amusan, who smashed the world record in the Women’s 100 metres hurdles, to win gold at the World Athletics Championships in Oregon, USA. Bolt took to Twitter Monday to tweet the message: “Congrats”, retweeting World Athletics tweet celebrating her feat. “We’re all in awe”, said World Athletics in another tweet. 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…