In Amsterdam, several people were injured as dozens of trees were toppled by the storm, damaging cars and houseboats along the city's canals. The storm, named Poly, is the Netherlands' worst ever during the summer months and its strongest overall since January 2018, weather agency Weeronline said. The last heavy summer storm was in 2015 and was the first in over a century. The summer storm is causing much damage as trees are heavy with leaves and many of them have become brittle during an unusually long dry spell in May and June. The storm will move east over the north of the country and is expected to become less intense during the afternoon.

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Persons: Weeronline, Bart Meijer, Toby Sterling, Andrew Heavens, Jan Harvey, John Stonestreet, Alexandra Hudson Organizations: National Meteorology Institute, Arriva, Alexandra Hudson Our, Thomson Locations: AMSTERDAM, Netherlands, Haarlem, Amsterdam, Noord, Holland, Amsterdam's Schiphol