BBC News: US will issue travel warning for Americans in Europe
BBC News: Indonesia train crash kills dozensThe US government is to issue a travel alert, warning its citizens to be vigilant while travelling in Europe because of the threat of an al-Qaeda commando-style attack.
Hong Kong Security Bureau Travel AlertsNational police spokesman Iskandar Hasan said: "The suspected cause of the accident was a mistake in the traffic management system."
Transport ministry spokesman Bambang Ervan added: "It may have been mechanical. We're checking to see if the signals of the parked train were working properly."
I would have thought the purpose of an alert is to warn against future dangers, rather than past ones.Indonesia (Amber Alert) Bomb attacks in Jakarta in recent months.