Image used for representation only.
Lisbon: An American tourist was killed and another was seriously wounded on Wednesday morning during a knife attack in Portugal, police said.
The attack happened in the seaside resort of Cascais west of the capital, Lisbon.
"One of the tourists died at the scene and the other suffered serious injuries to the face and arm," a Portuguese police spokesman told AFP.
The surviving tourist was taken to hospital in Lisbon, media reported.
Three people suspected of carrying out the attack escaped in a vehicle and have not yet been found.
"We have circulated to all our officers the necessary information to find the suspects," the police said.
