A tall building collapses after having been struck by a jet airplane, we hear the roar of the falling debris and crashing glass, people scramble to find a safe place to hide, and people are swept away in the waves of rubble.
We see a jet crash through a tall building, smoke billows and people panic and scream on the street below.
Two men are trapped under heavy rubble from a building collapse, and another man tries to free one of them, but another wave of rubble falls and one man is killed (we see blood on his face and hear him gasping).
An explosion sends more rubble down onto two trapped men.
We hear a large explosion and see people being shaken by the force.
A person jumps from the window of a tall building (we see limbs flailing and hear a faint scream).
Pieces of a building and its contents begin to shower down on streets and people below.
Injured people lie on a street and stumble along sidewalks (several have bloody wounds and appear disoriented).
A badly wounded man lies on an operating table and we see his legs (they are very swollen and badly discolored).
Flames lap at a man who is trapped under heavy rubble, and the man screams and flinches when the flames burn him.
A gun fires many bullets (apparently from being exposed to heat) and two men who are trapped under rubble are fearful of being struck by a bullet.
Rescue crews crawl through debris and tight areas to reach two trapped and badly injured men, while flames spurt at them.
Many first responders are shown covered with dust and blood.
We hear that a man's knees are crushed.
A man asks a medic to cut his crushed leg off.
A man talks about suffering from internal bleeding, and refers to how long he can survive before being rescued.
A little girl asks if her father is coming home.
A woman talks about her son being trapped in a collapsed tower and that she fears that he is dead.
A woman is very anxious (she paces and hyperventilates) about hearing news of her husband.
We hear reports of plane crashes and the after effects in many scenes and see the fear and panic of the families and loved ones who wait for word on people who may have been killed.
People are told that family members have gone into the wrecked buildings on rescue missions and that their whereabouts are unknown.
We hear a report that another tall building has been struck by another jet.
People talk about the Pentagon being struck by a jet and people talk about the 1993 attack on the World Trade Center.
We hear that the roof of a car parked on a street has been smashed by debris.
We hear a report of a runaway girl.
We see a wall covered with photographs of missing people.
A woman vomits (we hear gagging).