context: BAGHDAD , Iraq -LRB- CNN -RRB- -- Two UH-60 Blackhawk helicopters collided Saturday night while landing in northern Baghdad , killing one Iraqi soldier , a U.S. military spokesman said . Two UH-60 Blackhawk helicopters , similar to this , crashed Saturday in northern Baghdad , the U.S. military says . Two U.S. troops and two Iraqi soldiers were injured , said military spokesman Lt. Patrick Evans . Enemy fire is not suspected , he said . However , two Interior Ministry officials said that a U.S. helicopter crashed in northeastern Baghdad as a result of clashes between U.S.-backed Iraqi forces and gunmen . The Iraqi officials said the area was sealed off , so they did not know casualty figures . One Iraqi official said the gunfight continued late into the night . U.S. officials said they did not know how many people were onboard . The crash occurred at Combat Outpost Ford in Adhamiya , a northern Baghdad neighborhood on the eastern bank of the Tigris River , the U.S. spokesman said . An Iraqi official said the helicopter went down in Talbiya , a stronghold of Shiite militia .
question: Number of Blackhawk helicopters that crashed ?
answers: Two
content_span_normalized_text: however , two interior ministry officials said that a u.s. helicopter crashed in northeastern baghdad as a result of clashes between u.s.-backed iraqi forces and gunmen .
question_normalized_text: number of blackhawk helicopters that crashed ?
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