LISBON: Portuguese authorities were investigating on Thursday (Sep 4) what caused a Lisbon funicular railway popular with tourists to hurtle down a hill, killing at least 16 people and injuring 22 more when it crashed into a building on Wednesday . The Prosecutor General's office said coroners had so far identified the bodies of five Portuguese, two South Koreans and one Swiss national, without disclosing further details of those killed. A US citizen was killed in the crash, the State