Laura Muir targets 1500m and 5,000m double at World Athletics Championships

Media playback is not supported on this device Briton Laura Muir’s double gold at the European Indoor Championships has convinced her to race in both the 1500m and 5,000m at the World Championships in London this summer. The 23-year-old Scot won her first senior medals in the 1500m and 3,000m in Belgrade at the weekend….