UK heatwave: Four-day extreme heat warning for parts of UK The Met Office says temperatures will be below July's record highs - but this heatwave will last longer. Source
US doctor issues warning of many undiagnosed polio cases The New York State medic says there could be hundreds, or even thousands, of infected people there. Source
NHS demands cannot wait for new prime minister, says health secretary The health secretary says hospitals could face "very serious challenges" this autumn and winter. Source