In New York City, Fifth Avenue was closed to traffic as people marched through the streets.

VOA: special.2010.04.21

Some town centre roads will be closed to traffic, including Midsummer Boulevard, Saxon Gate and Grafton Gate.

BBC: Milton Keynes Red Bull celebration set to attract crowds

Rising winds were reported in Arizona, where 34 miles of Interstate 40 near Winslow were closed to traffic.

NPR: Windy Spring Storm Sweeps Through Calif., Arizona

Parts of central Athens were closed to traffic Wednesday as protesters took to the streets, but they reopened later.

CNN: Thousands protest austerity measures in Greece