Following a sweltering heatwave, severe storms have hit northern Italy, flooding streets and uprooting trees, with one person reported missing. Most affected were the northern regions of Lombardy and Piedmont, local media reported. A man working a tractor in a field near the city of Turin was swept away when the Orco river burst its banks, news agency ANSA reported Thursday. The search for him is ongoing. In Milan, the capital of Lombardy, rivers also burst their banks, causing some districts near the city’s Lambro Park to be evacuated. Local radio station Radio Populare temporarily suspended …