Heatwave peaking in Czechia, elevated ground-level ozone warning

A heatwave is peaking in the Czech Republic, with Friday's temperatures expected to reach up to 38 degrees Celsius, possibly the highest this year. Authorities warn of rising wildfire risks and elevated ground-level ozone, which has already triggered a smog alert for Prague and Central Bohemia. Experts advise drinking plenty of fluids, avoiding heavy exertion, and staying out of the midday sun. The weekend should bring slightly cooler temperatures.