1918
bombardment of baghdad continues tonight and over the past 20 minutes , explosions rocking baghdad , central baghdad southern baghdad , the outskirts of baghdad , and importantly , as the coalition forces , principally u . s . army forces , move against saddam hussein international airport -- which is about ten miles outside the center of baghdad -- those explosions are intensifies .
 attack: bombardment
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:
 attack: bombardment