1087
Some 70 people were arrested Saturday as demonstrators clashed with police at the end of a major peace rally here , as at least 200 , 000 anti - war protesters took to the streets across the United States and Canada .
 arrest jail: arrested
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: declare bankruptcy, transfer ownership, marry, die, phone write, arrest jail, convict, sue, transfer money, end organization, start organization, end position, merge organization, start position, transport, charge indict, elect, attack, injure, born, extradite, release parole, sentence, demonstrate, meet, trial hearing, divorce, nominate, fine, appeal, pardon, execute, acquit 
Text: {0} 
Answer:
 arrest jail: arrested