Millions of hayfever sufferers could be at risk of a 'potentially life threatening asthma attack' if the pollen count is high, an expert has warned.
The Met Office has told people to expect high pollen levels across the south of England and the Midlands over the coming days as the temperature remains in the 20s.
It comes amid the start of the grass pollen season. Brits have been told to expect a "huge onslaught of grass pollen this week" with "sky high" pollen counts.
And Jessica Kirby, Head of Health Advice at Asthma UK, told The Sun: "A high pollen count could put people with asthma at risk of a potentially life-threatening asthma attack." Sign up to get the Mirror's biggest and best stories delivered straight to your inbox at
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