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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 .
 forces: attacker; u . s . army: attacker; forces: attacker; baghdad: place; baghdad: target; baghdad: target; outskirts: target; saddam hussein international airport: target
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: attack 
  Option: victim, attacker, place, target, instrument 
Text: {0} 
Answer:
 forces: attacker; u . s . army: attacker; forces: attacker; baghdad: place; baghdad: target; baghdad: target; outskirts: target; saddam hussein international airport: target