Canada’s Summer McIntosh has won her third gold medal of the world swimming championships. The 18-year-old from Toronto won the women’s 200-metre butterfly on Thursday in a meet-record 2 minutes 1.99 seconds, just shy of the world record 2:01.81.

The Canadian star challenged the all-time mark in the women's 200-meter butterfly and continued her perfect string of races in Singapore.

Summer McIntosh is off to a perfect start at the swimming world championships with two gold medals in two days.