Britain’s Jake Wightman denied Olympic champion Jakob Ingebrigtsen the 1,500 metres world title on Tuesday as Brazil’s Alison dos Santos took gold in the 400m hurdles. Wightman went for the kill with about 200m to go, finishing in 3 minutes 29.23 seconds ahead of Norway’s Ingebrigtsen, who ran a season’s best 3:29.47, while Spain’s Mohamed Katir took home bronze .43 seconds behind. “I was running for my life down the home straight,” Wightman told the BBC. “It is still just shock and disbelief that this has actually happened. It probably won’t sink in until I have retired.” It added to the exci…