Emergency services in Lisbon say 15 people were killed and 18 injured in a funicular derailment.
Five of those hurt are in a serious condition, and a child is among the injured, the National Institute for Medical Emergencies said in a statement.
An unknown number of the injured are foreigners, it said.
Authorities called it an accident, the worst in the city’s recent history.
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The funicular carriage derailed in the Portuguese capital at about 6pm on Wednesday, the Portuguese president’s office said.
President Marcelo Rebelo de Sousa offered his condolence to affected families.
Eyewitnesses told local media that the landmark funicular careered down the hill, apparently out of control