In a statement, the SEF stated that the European arrest warrant was issued by Switzerland.
According to the SEF, the foreign citizen detained at the airport in Lisbon will be present at the judicial authority for the application of coercive measures.
SEF also mentions that a 24-year-old man who intended to travel with a forged Austrian passport was detained at Porto airport, during a document check carried out on a flight to London.
SEF indicates that the citizen was detained for the crimes of document forgery and for staying illegally in Portugal.