"We feel that had such a system been installed in this section of track, this accident would not have occurred," says National Transportation Safety Board member Robert Sumwalt.
The Taliban spokesman in an email distributed to media says the group targeted the hotel because of the presence of foreigners, including Americans there.
He is seeking to reassure key allies that U.S. overtures to Iran will not come at the expense of commitments to their security.
It is disrupted by a Saudi-led coalition airstrike, fighting between rival sides in a strategic province and shelling by coalition warships west of the port city of Aden.
There is no single reason for the soaring numbers of those trying to reach Europe, but rather a chain of factors including more ruthless smugglers and the end of a major rescue mission.
Prosecutors call him a "remorse-free" terrorist and his lawyer says he deserves a chance at redemption.
Existing relationships, local traditions and cooler heads help demonstrators in Madison avoid violence seen in Ferguson and Baltimore — at least so far.
Billionaire Richard Liu says the success of his JD.com site rests on a powerful selling point: allowing only genuine merchandise in a land of fakes.
The 10-day project shows "Iranians are art lovers, too," says Tehran businessman Ehsun Fathipour.
Australian quarantine authorities order the actor to fly his Yorkshire terriers Pistol and Boo out of the country by Saturday or they will be put down.