Dramatic social media video and images from Seattle helicopter crash

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Two people were killed when a news helicopter for KOMO-TV crashed Tuesday morning outside its station near the Seattle Space Needle, sending clouds of black smoke over the city during the morning rush hour.

The Seattle Fire Department said in addition to the fatalities, a 37-year-old man who managed to free himself from a car at the accident scene was taken to Harborview Medical Center in critical condition. Hospital spokeswoman Susan Gregg said the facility had received no other victims from the crash.

The station says the helicopter apparently was lifting off from its rooftop when it possibly hit the side of the building and went down, hitting several vehicles on Broad Street.

Here are the latest developments from social media.