1. A friend may call you from out of the blue and ask to crash on your sofa for a few days.
2. US authorities have ruled out hostile fire in the collision but have not given a cause for the other fatal crash in the west.
3. Greek and Cypriot officials have ruled out terrorism as a cause of the crash.
4. China's air authorities said they will carry out an investigation into the crash.
5. Investigators have ruled out the possibility of sabotage in the airliner crash that killed 54 people in North China on Sunday.
6. Television footage of the crash site showed rescuers trying to help a man out of a rail car through a window.
7. Officials stopped short of saying the ice buildup caused Thursday night's crash and stressed that nothing has been ruled out.
8. Out of the blue a friend may call you and ask to crash on your sofa for a few days.
9. crash out
9. The poor weather was likely a factor for the crash but enemy actions can not be ruled out yet.
10. No reason for the crash has been made public, although officials have ruled out terrorism or sabotage.