article_snippet.sent: The crowds met this afternoon as part of the annual '420' event - a global celebration of cannabis which calls for reform to drug laws.
article_snippet.sent: The term '420' has become universally known as the code word for cannabis - after a group of  students coined it while searching for an abandoned crop of marijuana in California in 1971.
article_snippet.sent: The festival is usually held on  April 20  and last year there were estimated to be around 10,000 people openly smoking marijuana in Hyde Park.
article_snippet.sent: The 420 Day event is organised by a reform-seeking group called NORML UK, along with the UK Cannabis Social Clubs (UKCSC).
article_snippet.sent: For those who haven't been there's going to be good tunes, good food, good company, games and activities, face painting, freebies, talks stalls and information all in the name of celebrating the many aspects of cannabis culture.'
article_snippet.sent: The 420 Day event is organised by a reform-seeking group called NORML UK, along with the UK Cannabis Social Clubs (UKCSC)
article_snippet.sent: A protestor blows smoke from a marijuana joint during taday's pro-cannabis festival in Hyde Park .
article_snippet.sent: The 420 Day event is set to continue into tomorrow with a 'Parliament Protest Picnic', according to the 'London 420' Facebook page .
highlights_snippet.sent: Thousands met in Hyde Park today as part of annual global '420' event .
  