To play this video you need to enable JavaScript in your browser.This video can not be played
CloseFootage captured in Greenwich park, south-east London, showed a small whirlwind, or dust devil, swirling around people on Sunday.
People were seen getting up from their picnics and screaming as the whirlwind moved through the park.
Dust devils are formed on warm, sunny days and are visible due to the dust or hay that they pick up and swirl around.
Shareclose panelShare pageCopy linkAbout sharingRelated topicsLondonFollow London
close panelYou are now following LondonUpdates from your News topics will appear in My News and in a collection on the News homepage.TornadoesFollow Tornadoes
