Italy's new Prime Minister Enrico Letta has said that today's shooting outside the premier office was a "tragic gesture" of an unemployed man.
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Drivers' union ASLEF suspended industrial action scheduled for next week but the RMT Conductors' union strike remains in place.
Dozens of African-American former agents will receive $24 million in settlement of a class-action lawsuit alleging racial discrimination.
The case was triggered by wheelchair user Doug Paulley who boarded a bus but could not get on because a pram was in the wheelchair space.